Answer math problem 30 in English, math problem in English?

Each highlighter, each stapler, each fountain pen.

Of the total number of purchases, highlighters accounted for 1 4, staplers were 6 more than the total number of 1 2 purchased, and the rest were pens, which cost a total of money.

Solution: Let the total number of purchases be x, where the number of pens is x-(1 4*x+1 2*x+6), according to the cost of the equation:

1/4*x*

Calculus is not written,x=72Number of staplers 1 2 72+6=42

The answer is 42, which is essentially a unary equation, which is analyzed as follows:

Highlighter highlighter, $1 per unit.

Stapler stapler, $1 per pen, $1 per pen.

1 4 of the total are highlighters, the number of staplers is 6 more than 1 2 of the total, and the rest are pens . The total price is in US dollars.

The total number may be x

The number of highlighters x 4

Number of staplers x 2+6

Number of pens x 4-6

And there are: x 4*

Solution x=72

Then the stapler has 72 2 + 6 = 42

The title is translated as follows:

Peggy bought some highlighters, staplers, and pens. What she bought.

Stationery 1 4 is a highlighter. She bought more staplers than all the stationery.

The number of 1 2 more than 6 pieces, the rest of the stationery is pens. She paid for the stationery in total.

The number is a circle. How many staplers did she buy?

Let b have $x.

b. Spend $36 a day c. Spend more money per day.

b. Spend $12 a day c. Spend more money per day.

The total money of c is constant, and the two wait together, and the equation can be solved.

Both B and C have money, and if B spends 36 a day C spends 12 a day, B spends it and C has 260If C spends every day, C still has 20 yuan after spending every day. How much money do they each have at least?

This is the original question, it seems to be. How many days can B have $ x and C have $ Y, so how many days can B take? x/36.

How much does it cost in total in a day? x/36×12=y－260.In the same way, we can make the equation x 12 36 = y 20

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Character names B and C

If B spends 36 a day, C spends 12 a day, when B spends money C has 260 left, if C spends 36 a day, B spends 12 a day, when B spends money, C has 20 left and asks B and C how much money they have.

Let b have x yuan, 12*x 36+260

36*x/12+20

x/3+260=3x+20

x=90b has 90

c has 290

of the students in a school are there are 240 boys,how many student are therein the school?

boy has finished reading 160pages of a story book and he finds that is 20% of the book many pages are there in the book?

the 800 people,70% like many people like swimming?

1. 40% of the school's students are boys, if there are 240 boys here, how many students are there in the school?

2. After reading 160 pages of a storybook, he found that 20% of it had not been read, and asked how many pages this storybook is? 160/（1-20%0）=200

70% of people like to swim, how many people like to swim?

When solving math problems written in English, the main thing is to convert English into mathematics.

So the first step is translation.

The title is to the effect of:

The shirt store sells shirts for $5 a piece in the morning, and the total sales for the morning are $300.

By the afternoon, the price of each shirt had dropped to $4 a piece, and sales for the whole afternoon were twice as high as in the morning.

Problem: Find the total sales for a full day.

Go: Is there a missed hit behind as many? The meaning of the sentence does not make sense, but basically the conditions should be like the above. If there is a mistake, please change the question and ask later

Now solve it as a math problem.

Let's start by asking for the number of clothes sold in the morning.

Quantity (early) = total sales divided by ** = 300 per shirt 5 = 60 pieces.

Then according to the title, the number of shirts sold in the afternoon is twice as many as the number of shirts sold in the morning.

Therefore, the quantity (below) = 2 * the quantity (early) = 2 * 60 = 120 pieces.

Use the quantity found to find the total turnover in the afternoon.

Total sales (below) = ** per shirt multiplied by the number of sales sold in the afternoon = 4 * 120 = $480.

So the total sales of a day, total sales = sales (early) + sales (down) = 300 + 480 = 780 dollars.

That's basically how it should be.

If I have any mistakes, I'll fix them right away.

If the landlord has any questions, you can continue to ask, I hope to help the landlord

The watchtower lord adopted

A morning shirt was $5 and sold for $300, so 60 pieces were sold;

In the afternoon, the number of shirts dropped to $4, and the number sold was twice as high as in the morning, that is, 120 were sold;

So on the last day, it sold 300 + 4 * 120 = 780 (USD).

He shirt stores** shirts are $5 per in the early morning, and they sell shirts for $300 in the morning. In the afternoon, ** for each shirt is reduced to $4 and the shirt shop sells more than twice as much as what is the total sales of the day?

300 5 = 60 pieces.

In the afternoon, x pieces were sold as follows.

4x120=480 yuan.

480 + 300 = USD 780.