Literal Equations & Word Problems (y=mx+b) Review

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

Tags

CCSS.6.EE.C.9

Ms Preston works in a gym. At the start of her shift there were 20 people in the gym. Every hour five more people came into the gym. If Ms Preston worked for 4 hours how many people were in the gym at the end of her shift?

• 80 people

• 40 gyms

• 40 people

• 80 gyms

Tags

CCSS.HSF.BF.A.2

Mr. W spends an extra 45 min in the school everyday. Click on the equation that shows how much extra time he spends in school based on the number of days, x.

• yx=45

• x=45y

• y=45x

• y+45x

Tags

CCSS.6.EE.C.9

James has been gaining 5 pounds every year. He currently weighs 150. If he continues his trend of gaining 5 pounds a year, how much will he weigh in 3 years?

• 175 oz

• 165 lbs

• 175 lbs

• 165 oz

Tags

CCSS.HSF.BF.A.2

Betty owes Maggie $50. Betty pays Maggie back $2 a day. Click on the equation showing the money that Betty still has to pay back.

• 50=2x

• y=2x-50

• y=50x-2

• 2=50x

Tags

CCSS.6.EE.C.9

Write an expression for the following. Jerry has $20 and makes $7 per hour.

• 7x + 20
• 7 + 20x
• 20 + 7

Tags

CCSS.HSA-SSE.A.1A

The water level of a river is 34 feet and that it is receding (decreasing) at a rate of 0.5 foot per day.  Write an equation for the water level, L, after d days.

• L = 34 + 0.5d
• L = 34 - 0.5d
• L = 0.5 + 34d
• L = 0.5 - 34d

Tags

CCSS.HSF-BF.A.1A

A plumber charges $25 for a service call plus $50 per hour of service.  Write an equation in slope-intercept form for the cost, C, after h hours of service.

• C = $75h
• C = $50 + $25h
• C = $50h - $25
• C = $25 + $50h

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe.  Write and graph an equation representing the cost, y, of renting a canoe for x hours. 

• y = $50x
• y = $20x + 30
• y = $30x + $20
• $30x + y = $20

Tags

CCSS.8.EE.B.5