Question

A student multiplied a number by 5/11 instead of 11/5. what is the approximate percentage error in the calculation made?

Answer 1

Answer:

assume the value that are divide by both number

I assume x=15

First 3/5×15=9

Second (5/3)×15=25

Difference =25–9 = 16

Error %= difference ÷ error value × 100

= (16÷25)×100

= 64%