Seudónimo Seudónimo

28-09-2016
Mathematics

contestada

The formula for simple interest I is I = Prt. Solve the formula for the interest rate r. What is the interest rate r if the principal P is $1500, the time t is 2 years, and the interest earned I is $90?

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Аноним Аноним

28-09-2016

the answer is 3% a year

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