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frez [133]
3 years ago
5

Cody was 165 cm tall 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?
Mathematics
1 answer:
zhenek [66]3 years ago
3 0

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

<span>X= 150 cm = height of Cody on the first day of school last year</span>

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