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? 1. 60c + 85x < 310

2. 60c + 85s ≥ 310

3. 60c + 85x ≤ 310

4. 60c + 85s > 310

PLEASE HELP QUICK. I WILL GIVE BRAINLIEST TO THE CORRECT ANSWER!