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vagabundo [1.1K]
3 years ago
7

PLS HELPPPPPP ME!!! ASAP​

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

2.5

Step-by-step explanation:

<em>Let x be the number of hours both people baby sit and y be the number of hours that they each earn. </em>

<u>Sarah: </u>

y = 10 + 2.5x

<u>Carly: </u>

y = 7.5 + 3.5x

<em>You know that the number of hours should be the same (y). </em>

10 + 2.5x = 7.5 + 3.5x

<em>Evaluate and find x. </em>

10 - 7.5 = 3.5x - 2.5x

x = 2.5

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