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8. A student invests $800 in a certificate of deposit with a simple interest rate of 3% per year. How much money will the student have in the account after 5 years?
9. Emma invests $1,200 in a savings bond that offers a simple interest rate of 6% per year. If she leaves the bond for 4 years, what is the total amount of interest she will earn?
10. Tom took out a loan of $5,000 with a simple interest rate of 7% per year. How much total interest
Answer (1)
Answer:8. $9209. $28810. lacking info.Step-by-step explanation:8. A=P (PRT) /100A = end amountP = principal amount (initial investment)R = interest rate per year (as a %)T = no. of years given:P= $800R= 3%T= 5 yearssolution:A= 800 (800•3•5) /100A= 800 + 120A= $9209.interest = principal X interest rate x timegiven:principal (P) =$12,000interest rate (R)= 6% per yeartime (T)= 4 yearsinterest= 12,000 x 0.06 x 4interest= $28810. as for this number, the time isn't specified hence why i could not determine the final answer and therefore, cannot provide accurate information.
