y=mx+b word problems

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

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.4.MD.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

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

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.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

CCSS.8.SP.A.3

2. Ted's Taxi service charges a $5 pick up fee plus $2 per mile. Create an equation that can be used to find y, the total cost, if x represents the number of miles?

• x=2y+5

• y=2x+5

• y=5x+2

• y=10x

Tags

CCSS.6.EE.C.9

12. Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $200 per year. Write an equation that can be used to find y, the value of the computer, if x represents the number of years owned?

• y= -200x+1200

• y= +200x+1200

• y= -1200x+200

• y= 1200x+200

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A mechanic charges an initial fee of $75 plus an hourly fee of $50. Write the equation for the situation.

Mathematical Equivalence

ON