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trapecia [35]
4 years ago
12

Help me please

Mathematics
2 answers:
snow_tiger [21]4 years ago
7 0
She paid 10 in advance so that's 30-10 which is 20.
As it's 4 dollars per hour, 20 will be divided by 4. 
20/4 = 5 
So 5 hours.
wariber [46]4 years ago
3 0
The answer would be 5 hours!!



Please vote my answer the Brainlyest if it was helpful!!
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