Greg rounded an answer on his calculator to 20. The exact number on his calculator was 19.72. What is the percent error of Greg’s rounded answer?

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

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.