Cody was 165 cm tall on the first day of school this year, which was 10%, percent taller than he was on the first day of school last year. How tall was Cody on the first day of school last year?

Question

Mathematics

Cierra Peck

19 March, 02:35

Cody was 165 cm tall on the first day of school this year, which was 10%, percent taller than he was on the first day of school last year. How tall was Cody on the first day of school last year?

+4

Answers (1)

Know the Answer?

Alec Pena · Answer 1

If 165 cm is 10% taller, then the equation we can use to find the original age is:

x*1.1=165

This means that to solve for x, we just need to divide by 1.1 on both sides of the equation:

x=150

Therefore, Cody was 150 cm tall last year