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finlep [7]
3 years ago
5

Adam and his dad share the cost of the meal in the ratio of 2:3.

Mathematics
2 answers:
Vinvika [58]3 years ago
8 0
52.20 ÷ 3 = 17.4 = 1 (in terms of ratio)
17.4 x 2 = 34.8
52.20 + 34.80 = £87
lapo4ka [179]3 years ago
6 0
52.20÷3= 17.40×5=87. The meal cost £87
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Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have?. .
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Let

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q------> the number of quarters

we know that

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so

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q=3n ----> equation B

substitute equation B in equation A

0.05n+0.25[3n]=1.60

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n=2

Find the value of q

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therefore

<u>The answer part a) is</u>

the number of nickels are  2  and the number of quarters are 6

<u>the answer Part b) is</u>

The expressions that represents the number of quarters is

q=3n


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