There are 61 days in march and april mrs. dorsey recorded 18 sunny days in march and 12 sunny days in april how many days are not sunny

step-by-step explanation:

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