Mathematics, 14.12.2019 03:31 chloeconlon2014
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 β₯ 25
b) 1.25(9) + 0.95b β€ 25
c) 0.95(9) + 1.25b β₯ 25
d) 0.95(9) + 1.25b β€ 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 β₯ 1500; x β₯ 850
b) x + 650 β€ 1500; x β€ 850
c) x + 1500 β€ 650; x β€ -850
d) x + 1500 β₯ 650; x β₯ -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 β₯ 7
b) 2x + 4 β₯ 7
c) 2x + 4 β€ 7
d) 2x - 4 β₯ 7
Answers: 3
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Q.1 - adam is ordering pizza for a company party that he needs to have catered. company a charges $8...
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