Susie wants to have at least a 90 average for the year in her algebra class. her current test scores are 85, 100, 86, and 97. what does she need to score on her fifth test to have at least a 90 average?

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

the answer is 64 cm

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