Question

Sally estimated that her call would take 15 minutes but it actually took 12 minutes. What was her percent of error

Answer 1

20 percent error
12/15=4/5=0.8
20 percent off

Answer 2

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 3

Thanks

Answer 4

Thanks Unimath and 14yamaka

Answer 5

WELCOME XD

Answer 6

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 7

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 8

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 9

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 10

12/15 or she got 12 minutes right out of 15 giving .8, converting .8 to percent x100 equals 80 percent right leaving 20% error

Answer 11

so many of the same post unimath0.0 what happened XD