Find the total of principal plus interest on a principle of $870 interest rate of 3% time is nine months

$38666.67

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 3%/100 = 0.03 per year,

putting time into years for simplicity,

9 months ÷ 12 months/year = 0.75 years,

then, solving our equation

P = 870 / ( 0.03 × 0.75 ) = 38666.666666667

P = $ 38,666.67

The principal required to

accumulate interest of $ 870.00

on a rate of 3% per year for 0.75 years (9 months) is $ 38,666.67.

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step-by-step explanation:

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.