1) mister smith wants to put a small fence around his garden. a store sells three feet sections of fence at cost of $5.49 per section. in the number of feet, what is the longest length of fence can he purchase if he wants to spend less than 145 dollars on the fence? assume mister smith cannot purchase a fraction of a section of fencing and must purchase only whole sections. show work and explain your reasoning.

2) a lifeguard at a swimming pool gives one-hour swim lessons to children in the morning before the pool is open to the public. she earns four dollars per class and fifty cents per swimmer. the minimum wage in her state is $7.25. she hopes to earn more than that amount of money during each class. write an inequality that models the situation and find the minimum number of students she must teach in each class so that her earnings for that hour exceeds the minimum wage in her state.

3) every year a classroom of students holds a car wash t