Devin wants to buy a new game system that cost $481.68, including tax. He has already saved $225 from mowing lawns. Devin will walk the neighbor’s dog for 4 months to save the remaining amount of money needed to purchase the game system. He will earn the same amount of money each month. How much money must Devin earn each month to save the exact remaining amount needed?

he will earn $64.17 per month

Step-by-step explanation:

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step-by-step explanation:

calculate the scale factor as the ratio of corresponding sides, image to original, that is

scale factor = = = = 1

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.