Creating Equation from Word Problems

Marleny got a job and is saving up her money. After working for 7 hours, she has $118. She then counts her money after 19 hours of work and has $286. Write an equation that represents the situation in slope intercept form: y=mx+b

Juan’s cell phone company charges $35 a month for phone service plus $1.00 for each text message. Create an equation that represents the total cost of his phone bill.

• y=x+35

• y=35x+1

• y=x-35

• y=-x+35

Tags

CCSS.6.EE.C.9

Use the previous questions equation: Juan’s cell phone company charges $35 a month for phone service plus $1.00 for each text message. How many text messages does Juan send in a month if his bill was $52?

• He sent 87 texts messages.

• It costs him $87.00.

• He sent 17 texts messages.

• It costs him $17.00.

Tags

CCSS.7.EE.B.4A

Using the equation from the previous problem: How much weight did the sumo wrestler gain per month? A young sumo wrestler decided to go on a special high-protein diet to gain weight rapidly and at a constant rate. After 8 months, he weighed 138 kilograms. He started at 90 kilograms.

• 138 kilograms per month

• 48 kilograms per month

• 6 kilograms per month

• 8 kilograms per month

Tags

CCSS.HSF-LE.A.1B

Freddie is buying pizza for his friends. Pizza costs g dollars per pie, and he buys p pies. His total is t. Write an equation to model this situation. (NO SPACES)

Tags

CCSS.6.EE.C.9

• A

• B

• C

• D

Tags

CCSS.HSA.CED.A.3

Sally bought three candy bars for a total of $18.00. How much did each candy bar cost? Write an equation to solve this problem. Let C represent the number of candy bars.

• 18c = 6

• c + 6 = 18

• c +18 = 6

• 3c = 18

Tags

CCSS.HSA.CED.A.3

At Gamestop you can buy a Xbox One for $150.00 and each game to go with it would cost $24.00. Or, you can buy a Playstation 4 for $180.00 and each game for $20.00. Write an equation to determine how many games would need to be purchased for the cost to be equal?

• 150x + 24 = 180 + 20x

• 150 + 24x = 180 + 20x

• 180 - 150 = 24 x + 20x

• 150 - 24x = 180 - 20x

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112?

• 14h = 112

• 14 / h = 112

• h + 14 = 112

• h - 14 = 112

Tags

CCSS.HSA.CED.A.3

WRITE AN EQUATION After paying $7.12 for a Zaxby's meal, Coach Rice has $27.10. How much money did he have before buying the meal? Let x represent the amount of money Coach Rice had before his Zaxby's meal.

• 27.10 + 7.12 = x

• 27.10 - 7.10 = x

• x - 7.12 = 27.10

• 7.12 + x = 27.10

Tags

CCSS.HSA.CED.A.3