Answer:
100
Step-by-step explanation:
4xy times 100n the variable of 4xy would be times in the related number of 100n to get the answer 400
7/4.
= 15/8
1 * 1/4 = 1/4
1/2 * 1/4 = 1/8
15/8 - 2/8 + 1/8 = 13/8 + 1/8 = 14/8 = 7/4
Hope this helps!