Cody was 165cm y'all on the first day of school this year, which was 10% 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

Tyler Fields

11 February, 00:09

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

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Answers (1)

Know the Answer?

Camila Malone · Answer 1

Solution:

Let

X = height of Cody on the first day of school last year

Given:

Y = height of Cody on the first day of school year = 165 cm

10% (X) + X=Y

.10 (X) + X=165

1.10X=165

X=165/1.1

X=

150 cm = height of Cody on the first day of school last year