Student multiplied a number by 3/5 instead of 5/3. what is the percentage error in the calculation?

Mathematics
1

student multiplied a number by 3/5 instead of 5/3. what is the percentage error in the calculation?

2

student multiplied a number by 3/5 instead of 5/3. what is the percentage error in the calculation?

answer: Let the number be ‘x’ Then, according to the given data,

(5x/3 – 3x/5)/5x/3×100

16/25×100 ⇒ 64%