Centerview Elementary holds a canned food drive each year. This year they collected 42 cans of food. Last year they collected 21 cans. About how many more cans of food did they collect this year?

idk

step-by-step explanation:

correct answer is c. just did it

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