Q.1 - adam is ordering pizza for a company party that he needs to have catered. company a charges $8 for each pizza and a delivery/set-up fee of $45. company b charges $12 for each pizza and a delivery/set-up fee of $5. which inequality can be used to find x, the least number of pizzas that can be ordered so that the total charge for company a is less than the total charge for company b?

a) 8 + 45x > 12 + 5x

b) 8 + 45x < 12 + 5x

c) 8x + 45 < 12x + 5

d) 8x + 45 > 12x + 5

q. 2 - the cost of a candy bar in a vending machine is $0.95. the cost of a bottle of water in the same machine is $1.25. jamie has $25.00 to spend on candy bars and bottles of water for her friends. she must buy nine candy bars. if b represents the number of bottles of water, which inequality represents all the possible values of b?

a) 1.25(9) + 0.95b ≥ 25

b) 1.25(9) + 0.95b ≤ 25

c) 0.95(9) + 1.25b ≥ 25

d) 0.95(9) + 1.25b ≤ 25

q. 3 - oliver needs to save at least $1500 to buy a computer. he has already saved $650. how much more does he need to save? write and solve an inequality.

a) x + 650 ≥ 1500; x ≥ 850

b) x + 650 ≤ 1500; x ≤ 850

c) x + 1500 ≤ 650; x ≤ -850

d) x + 1500 ≥ 650; x ≥ -850

q.4 - joel's family has four more pets than brian's family. together the two families have at least 7 pets. let x represent the number of pets brian's family has. which inequality can be used to find the possible numbers of pets brian's family has?

a) x + 4 ≥ 7

b) 2x + 4 ≥ 7

c) 2x + 4 ≤ 7

d) 2x - 4 ≥ 7