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Zina [86]
4 years ago
11

If Isaac were born four

Mathematics
1 answer:
lbvjy [14]4 years ago
6 0

Step-by-step explanation:

I= (4 + x ) * 5 E= x

I: 52 more than Emma

(4+x) * 5 = x + 52

20 + 5x = x + 52

5x - x = 52 - 20

4x = 32

x = 8

so then

E= 8

I= 12 × 5 = 60

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Answer:

The total amount of money received at the lemonade stand was $49.50

Step-by-step explanation:

Let

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y ---> the number of medium drinks sold

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x+y=72 ----> equation A

The ratio of small drinks to medium drinks sold was 5:3

\frac{x}{y}=\frac{5}{3}

x=\frac{5}{3}y ----> equation B

substitute equation B in equation A

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Find the value of x

x=\frac{5}{3}(27)=45

Find out the total amount of money received at the lemonade stand

0.50(45)+1.00(27)=\$49.50

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