Adress cost 72$ then it cost $45 what is the percent decrease in the price?
answer is 37.5% but explain
a shirt that cost $14 without tax costs $14.98 with tax what is the sales tax percent
answer 7% explain

answer: the common difference is -0.10

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

you just switch the numbers basically so it would be 3/17

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )