In the formula i=p·r·t, what does r stand for? a. rate: the percent that interest is paid annually as a decimal b. ratio: the size of the interest interval compared to time c. return: how much money you end up earning d. reserves: how much money you have in the investment

a. Rate: the percent that interest is paid annually as a decimal.

Explanation:-

In the given formula  of simple interest I = P.r.t

P is the principal or initial amount.

r is the rate of interest paid annually as a decimal.

t is the time period in years.

The simple interest formula permits us to calculate I, which is the interest charged or earned on a loan.

l.ln.lln.k.nkl

step-by-step explanation:

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation: