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Oksi-84 [34.3K]
3 years ago
15

Maria is 10 years older than Zohar. The sum of their ages 23. Which equation would represent this scenario?

History
1 answer:
ElenaW [278]3 years ago
5 0

Answer:

Since Zohar is 6 1/2, Maria must be 16 1/2.

Explanation:

There are two equations, but they can be collapsed into one (and solved!):

M = Z + 10  

M + Z = 23

(Z+10)+Z = 23   <<< this equation represents the stated problem, with one unknown

2Z = 13         <<< simplified

Z = 13/2 = 6 1/2   <<< solved (it is very unusual for age problems to have fractional answers)

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