The gas pressure in a chamber varies directly with the temperature in the chamber. If the pressure in the chamber is 150 atmospheres when the chamber is at 50 degrees, what is the pressure in the chamber when it is 75 degrees?
225 degrees
15
The number of words Maria typed varied directly with the amount of time she spent typing. If she typed 275 words in 5 minutes, how long would it take her to type 1,100 words?
20 minutes
15
A dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?
156 gallons
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12x - 15 = 3(2x+3)
4
15
-5k + 10 = -2k - 14
8
15
7w + 5 = 3w - 15
-5
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Jada’s teacher fills a travel bag with 5 copies of a textbook. The weight of the bag and books is 17 pounds. The empty travel bag weighs 3 pounds. How much does each book weigh? Write the equation
5x+3=17
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Mallory bought pizza and soda for a party. If she spent $12.57 on the sodas and $10.95 for each pizza, how many pizzas did she buy if her total is $89.22? Write the equation that models this situation
10.95x + 12.57 = 89.22
15
Dexter's Gym charges a one-time registration fee of $40 and $20 each month. The total fee after x months is $340. Write the equation that models this situation
20x + 40 = 340
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Daniel can spend no more than $40 at the fair. If admission into the fair is $10 and the rides cost $1.50 each, write an inequality that represents the greatest number of rides Daniel can go on?
1.50x + 10 ≤ 40
15
Triniti had $500 in a saving account at the beginning of the summer. She wants to have at least $200 in the account by the end of the summer. She withdraws $25 each week for food and clothes. Write an inequality
