Answer:
4
Step-by-step explanation:
Consider factors of 42, then if the factors can be added or subtracted.
42 = 42 * 1
42 = 21 * 2
42 = 14 * 3
42 = 7 * 6
Since none of these can be added or subtracted to equal 15, no intergers satisfy these criteria.
Answer:
100
Step-by-step explanation:
You just needed to do is 25% and then times it by 21 you should get 5.25
