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natta225 [31]
3 years ago
6

Violet has $4.25 worth of dimes and quarters. She has 3 times as many quarters as dimes. Determine the number of dimes and the n

umber of quarters that Violet has
Mathematics
1 answer:
Maslowich3 years ago
4 0

Answer: Violet has 5 dimes and 15 quarters.

Step-by-step explanation:

let x denotes the number of dimes and y denotes the number of quarters.

Given : Violet has $4.25 worth of dimes and quarters .

Also, 1 dime = $0.1

1 quarter = $0.25

i.e. 0.1x+0.25y=4.25           (1)

She has 3 times as many quarters as dimes.

i.e y=3x                               (2)

Substitute the value of y in equation (1) , we get

0.1x+0.25(3x)=4.25      

\Rightarrow\ 0.1x+0.75x=4.25      

\Rightarrow\ 0.85x=4.25  

 

Divide both sides by 0.85 , we get

x=5

Substitute the value of x in (2) , we get

y=3(5)=15

Hence, Violet has 5 dimes and 15 quarters.

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