Mr mahlangu invests R10000 to pay for labola. After 48 months he receives R65000. the interest on the investment is compounded quarterly. Determine the yearly interest rate at which the money was invested. give your answer as a percentage​

i think its a and d

step-by-step explanation:

i'm not really sure how to answer that

step-by-step explanation:

answer: 5 17/33 % (to the tenth)

step-by-step explanation:

he guessed: 34.5 pounds

actual weight is 32.7

there for he is off:

34.5 -32.7 = 1.8

32.7 is the 100%

1.8 represents %? of 32.7

therefore:

32.7   - 100%

1.8     -     x%

x= 1.8*100%/32.7% = 18*100%/327%

x=1800%/327%   = (5 165/327)%

to the tenth:

5 17/33 %