Part A) About 19/100
Part B) About 4/25
Part C) About 7/20
Part D) About 13/20
Answer:
Of two numbers, The largest whole number which is a factor of both.
Step-by-step explanation:
Jack had b boxes. Then he got 4 more. That is equal to:

On Wednesday, half the boxes were destroyed. To find half the amount, you can divide by 2, which is equal to:

Choice C matches the answer. Your answer is C