What does the formula for compound interest solve for?

Would you rather start with a penny and double your money daily for 30 days or have $1 million?

Bridget put $450 into a savings account that earns 8% simple interest. How much will be in the account after 7 years?

Ms. Perez wants to invest $30,000 into an account that compounds annually. The interest rate at this bank is 2.8%. How much money will be in the account after 3 years?

Formula for _____________ ______________ is A = P(1+r)^t

Drake puts $300 into an account to use for school expenses. The account earns 4% interest, compounded annually. How much interest will he earn after 2 years?

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

Calculate the compound interest of the following situation: $43,800 at 4.8% for 2 years

What does I stand for?

What does r stand for?

What is the principle amount of a loan that has accumulated $480 in simple interest rate of 3% after 4 years?

What does A stand for?