Every evening jenna empties her pocket and puts pockets and puts her change in a jar. at the end of the week she counts her money. one week she had 50 coins all of them were dimes and quarters. when she added them up she had a total of $10.25 let d=number of dimes and q=numbers of quarters. How many quarters did jenna have?

Question

Keegan Hendricks

Mathematics

28 August, 18:39

Every evening jenna empties her pocket and puts pockets and puts her change in a jar. at the end of the week she counts her money. one week she had 50 coins all of them were dimes and quarters. when she added them up she had a total of $10.25 let d=number of dimes and q=numbers of quarters. How many quarters did jenna have?

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Answers (2)

Know the Answer?

Marlie · Answer 1

i just took the test on plato. i'm not sure of the answer but i do know that i tried 35 and it was incorrect

Collin Bright · Answer 2

Let x be the number of dimes and y be the number of quarters

You then have the equations, x+y=50 and 0.1x+0.25y=10.25

You can now solve for y.

Solving for y,

x=50-y

0.1 (50-y) + 0.25y=10.25

5-0.1y+0.25y=10.25

y=35