Answer:
$54.40
Explanation:
You do 7.80*6=46.80 and 760*1=7.60 then add 46.80+7.60=54.40.
she earns 7.80 an hour for mowing and 7.60 for babysitting so
6 hours of mowing that is 7.80 x 6 which is $46.8
and 1 hour of babysitting is $7.60 so we add up which is $54.40 in total
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