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Inequality Word Problems. Review. Ex. 1. Sean earns $6.70 per hour working after school. He needs at least $155 (≥ 155) for a stereo system. Write an inequality that describes how many hours he must work to reach his goal. Per means to multiply. To figure your pay check:
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Inequality Word Problems Review
Ex. 1 Sean earns $6.70 per hour working after school. He needs at least $155 (≥ 155) for a stereo system. Write an inequality that describes how many hours he must work to reach his goal. Per means to multiply To figure your pay check: You multiply rate times hours worked So 23 hours is not enough So Sean must Work 24 hours To earn enough Money. $6.70 h ≥ 155
Ex. 2 Sean earns $6.85 per hour working after school. He needs at least $310 (≥ 310) for a stereo system. Write an inequality that describes how many hours he must work to reach his goal. Per means to multiply To figure your pay check: You multiply rate times hours worked So 45 hours is not enough So Sean must Work 46 hours To earn enough Money. $6.85 h ≥ 310
The width of a rectangle is 11 cm. Find all possible values for the length of the rectangle if the perimeter isat least 300 cm. ( ≥ 300 cm) 2L + 2W = p Ex. 3
The width of a rectangle is 31 cm. Find all possible values for the length of the rectangle if the perimeter isat least 696 cm. ( ≥ 696 cm) 2L + 2W = p Ex. 4
The perimeter of a square is to be between 11 and 76 feet, inclusively. Find all possible values for the length of its sides. 4 equal sides Perimeter – add up sides s s s s P = s +s+s+s=4s Ex. 5
The perimeter of a square is to be between 14 and 72 feet, inclusively. Find all possible values for the length of its sides. 4 equal sides Perimeter – add up sides s s s s P = s +s+s+s=4s Ex. 6
Three times the difference of a number and 12 is at most 87. Let x represent the number and find all possible values for the number. Ex. 7
Marlee rented a paddleboat at the Park for a fixed charge of $2.50 plus $1.50 per hour. She wants to stay out on the water as long as possible. How many hours can she use the boat without spending more than $7.00? Ex. 8