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Alina [70]
3 years ago
10

HELP !!

Mathematics
2 answers:
sertanlavr [38]3 years ago
8 0
X is an hour
15x=12x +18
max2010maxim [7]3 years ago
3 0
Since he makes 3 cookies more than her every hour, he needs to work for as many hours needed to make 18 more than her. 18/3 is 6 which is why he needs to work for 6 hours to get the amount equal to Sydney’s.
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