Question

Kinsey knows that 8x7 is 56 use the drop down menu to show how she can use this knowledge to find 8x6 a.-1 b. +1 c.-6 d.-8 e.+8

Answer 1

The difference between 8*7 and 8*6 is one 8 less, so it would be d, or -8. 

Answer 2

so
8 times 7 vs
8 times 6

8 times 7 is 8 more than 8 times 6
therefor 56 is 8 more than 8 times 6
so minus 8

answer is D