write a system of inequalities for the following situation: sheila wants to paint no more than 70 flower pots for the river art show. it costs her at least $50 plus $2 per item to produce red pots and $3 per item to produce gold pots. she want to spend no more than $215. let x equal red pots and y equal the gold pots. write and graph a system of inequalities that can be sued to determine the number of each pot that sheila can make.