Jessi estimates the weight of her
dog to be 70 pounds. When she
takes him to the vet, the vet
says he is actually 80 pounds.
What was Jessi's percent error?

12.5%

Step-by-step explanation:

The percent error is given by:

The error is |70-80|=10

The percent error is:

Therefore the percent error is 12.5%

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.