Question

Remo needs to buy a countertop for a bathroom. He calculated the area as 10 square feet. The actual area is 9.5 square feet. What is Remo's percentage error?

0.5%
0.95%
5%
5.26%

Answer 1

@Shadow

Answer 2

@Shadow

Answer 3

(Approximate Value - Exact Value)/100

Ignore minus signs. Convert the decimal to a percent.

Answer 4

Approximate is like what he guessed, which is 10.

Answer 5

It works either way though, as long as you ignore minus signs.

Answer 6

I think its c

Answer 7

but im not sure

Answer 8

How did you get C

Answer 9

Lets say 10 add a 0 = 100 9.5 add a 0 = 95.0 (move ok decimal place)
so there is a 5% error

Answer 10

but im not quite sure if its correct

Answer 11

That works, you are correct.

Answer 12

oh k thanks! can you help me on another question?

Answer 13

I can take a look. Close this one first though.

Answer 14

k