If you have 3 dimes,5 quarters, and 6 nickles how much change do you have

Step-by-step explanation:

dimes are worth 0.10and u have 3so 3 x 0.10 = 0.30

quarters are worth 0.25...and u have 5so 5 x 0.25 = 1.25

nickels are worth 0.05and u have 6so 6 x 0.05 = 0.30

for a total of : 0.30 + 1.25 + 0.30 = $ 1.85 in total change <==

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15

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