Question

Your friend really wants to buy the newest, coolest cell phone which will cost him $310. He gets a job detailing cars and SUVs and plans to save all the money he earns. If he gets paid $60 to detail a car and $85 to detail an SUV, which of the following linear inequality can be used to determine how many of each he must detail in order to earn at least $310?

Answer 1

He can sell:
3 SUV"s and i car 

Answer 2

There is multiple ways but one of them is 3 SUV and 1 car and that will give him $315.

I hope this helps :)