Question

Trent told his friends it would take him 90 minutes to mow the lawn. It only took him

Answer 1

Answer:

The answer is 16%

Step-by-step explanation:

use the percent error formula.

$\frac{|E-T|}{|T|} *100$

in this problem,

e= 75

t=90

substitute and solve.

$\frac{|75-90|}{|90|} *100\\\frac{|-15|}{|90|}*100\\\\ .16667*100$

16%

we are dealing with percents so rounding to nearest whole number will suffice.

hope this helps!