To find the average, add the cost of each book to get a total cost, then divide the total cost by the number of books purchased.
Total cost: 32 + 45 + 39 = 116
Average cost: 116 / 3 = 38.67
14, she will be 14 when she has more
Answer: the answer is MO=5
Step-by-step explanation:
Answer:
23.5 - 18.7 = x
Isolate the variable