annadel742
18.09.2019 •
Mathematics
It’s number 5 i have to do redo work
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Ответ:
Ответ:
So first off we need to figure out how much each light bulb cost. So 5 divided by 9= 1.8. so each light bulb cost $1.80. To figure out how many 7 light bulbs cost multiply 7 by 1.8 which equals 12.6. So 7 light bulbs cost $12.60