Answer:
e
Step-by-step explanation:
Answer:
The answer is 21
Step-by-step explanation: You substitue 3 for C and 4 for D and craete the equation
so you add 3+4=7 and you get
which is 7 times 3 =21
Four oranges cost 90 cents, an orange costs 90/4 cents, which is around 22.5 cents. Multiply this by 36 to get the cost of 3 dozen oranges, so 22.5 times 36 is 810, 810 cents, or 8.10 dollars.