Answer :
to get yearly interest: 1,000*7.5%=0.075
after 50 years: 0.075*50=3,750
add 1,000: 4,750
ANSWER: Bertha will have $4,750 after 50 years with an interest rate of 7.5%
after 50 years: 0.075*50=3,750
add 1,000: 4,750
ANSWER: Bertha will have $4,750 after 50 years with an interest rate of 7.5%