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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?

Respuesta :

Hussam7

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

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