LR Equation & Inequality Wrap-Up

40x + 20 = 340

20x + 40 = 340

20x - 40 = 340

20 + 340 = 40x

3x - 2 = 8

2 + 3x = 8

3 = 8x + 2

2 - 8 = 3x

A pool has 71 gallons of water and is filling at a rate of 0.5 gallon per minute. After how many hours

will the pool have 78 gallons of water?

The temperature started at 78° and is cooling down 0.5° per hour. If it is now 71°, how many hours

have passed?

Jim has $78 on a gift card. He purchased a few cokes that cost $0.50 each. If Jim now has $71 on

his gift card, how many cokes did he purchase?

Samuel has $71 in his bitcoin account. Each game Samuel downloads costs $0.50. How many

games can Samuel download until he only has $78?

22.50 - x > 32

22.50x > 32

22.50 + x > 32

22.50 +x < 32

Belinda has 25 coins in her collection. She will collect 40 new coins every year. Belinda collects coins for x years. For what values of x will Belinda have at least 175 coins?

Belinda has 40 coins in her collection. She will collect 25 new coins every year. Belinda collects coins for x years. For what values of x will Belinda have at least 175 coins?

Belinda has 40 coins in her collection. She will collect 25 new coins every year. Belinda collects coins for x years. For what values of x will Belinda have at most 175 coins?