Danyl0v3
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I need help in my math homework only 4 questions
2. Kateri saves her quarters and dimes. She plans to exchange the coins for paper money when the total value equals $10.
(Use this information to solve the following parts)
A. How many coins does she need to make $10 if all the coins are quarters? If all the coins are dimes?
B.What equation relates the number of quarters x and the number of dimes y to the goal of $10.
C. Use the answers from part (a) to help you draw a graph showing the solutions to the equation.
D.Use the graph to find the five combinations of the dimes and quarters that will allow Kateri to reach her goal.

Respuesta :

meerkat18
Quarters + Dimes = $10

Quarters = 0.25
Dimes = 0.10

a) 10 / 0.25 = 40 pcs of quarters ; 10 / 0.10 = 100 pcs of dimes
b) 0.25x + 0.10y = $10
c) 0.25x = $10 ; 0.25(40) = $10 ; 10 = 10
    0.10y = $10 ; 0.10(100) = $10 ; 10 = 10



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