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schepotkina [342]
3 years ago
7

How do I do this? it's hard for me to understand word problems

Mathematics
2 answers:
rusak2 [61]3 years ago
7 0
Rainbow will save them the most money best answer
Alekssandra [29.7K]3 years ago
6 0

a) Rainbow phone: c=100+6x

Cellular phone: c=80+10x


b) make the equations equal to each other:

100+6x=80+10x

20=4x

5=x


5 GB over


c)if x=6

Rainbow: 100+(6 x 6)= $136

Cellular: 80+(10 x 6)=$140


Therefore rainbow will save them the most money

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