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Dafna11 [192]
3 years ago
10

You are saving money for a new phone. You must have at least $800 saved up in

Mathematics
1 answer:
NeX [460]3 years ago
6 0

Let number of hours needed to work = x

Multiply number of hours by rate: 15x

Add what you already have saved:

15x + 215

This needs to equal at least 800:

The equation becomes:

15x + 215 >= 800

Solve for x:

15x + 215 >= 800

Subtract 215 from both sides

15x >= 585

Divide both sides by 15

X >= 39

They have to work at least 39 hours.

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