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vodomira [7]
2 years ago
15

Plz help me plz help me​

Mathematics
1 answer:
sladkih [1.3K]2 years ago
8 0

Answer:

In one hour Stephanie earns $1.50 more than Marco

Step-by-step explanation:

w=9h

H is a variable

9×hour= wage

9×15= $135

9×18= $162

157.50-135=$22.50

189-162=$27

27-22.50=4.50

Now cause its per hour we know she earns $4.50 more in 3 hours.

4.50÷3=$1.50

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