Fractions questions (I suck at them sorry!)

  • Thread starter t3rom
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  • #1
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Kindly check this math.

A. Homework Statement :

Q1. There are 2100 pupils in a school. 1/3 of the pupils are girls. 2/5 of the girls can swim. How many girls can swim?

Q2. 5 Whole 2 hundredths=?

Q3. 3 Whole 8 tenths= ?



B. The attempt at a solution

Ans1:

2100 x 1/3= 700
700 x 2/5 =280

280 girls can swim

Ans2: 5 Whole x 0.02 = 5.02
Ans3: 3 Whole x 0.8 = 3.8

Thanks in advance!
 

Answers and Replies

  • #2
Fredrik
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1. looks good.

2. "five and two hundredths" is ##5+\frac{2}{100}##. That x you wrote looks like a multiplication symbol. Your result is correct, but unless you were asked to answer in decimal form, the answer should be a fraction. (An answer in decimal form makes the reader think that maybe the answer has been rounded off).

3. See 2.
 
  • #3
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Question 1 looks right.

Question 2 and 3, what do they mean by 3 whole? Is that like I have 3 pies and now I want 8 tenths of them?

In that case it's 3x0.8 as you wrote but the answer isn't 3.8 as you've added .8 to the 3 not multiplied by .8
 
  • #4
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Question 1 looks right.

Question 2 and 3, what do they mean by 3 whole? Is that like I have 3 pies and now I want 8 tenths of them?

In that case it's 3x0.8 as you wrote but the answer isn't 3.8 as you've added .8 to the 3 not multiplied by .8
The OP miswrote -- it should be 3 + 0.8
 
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  • #5
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Hi Mark44, thanks for the correction, I didn't understand the terminology of 3 whole 8 tenths and thought it was something else.
 

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