Question

David moved from a house that is 89 miles away from his workplace

to a house that is 51 miles away from his workplace. What is the percent
decrease in the distance from his home to his workplace?​

Answer 1

Answer: 43%

Explanation:

Old house: 89 miles away.

New house: 51 miles away.

Let 100 be 100% of 89, x our new percentage of 51.

`(89)/(51) =(100)/(x)`

`x=((51)(100))/(89)`

`x=57`

So, if 57% is 51 miles, substract 57 from 100.

100-57=43% This is the decrease.