slope intercept story problems

For lunch, Amanda had a hamburger and some potato chips. The hamburger totaled 325 calories and each chip had 12 calories. Write a liner equation to represent the situation.

• y = 12 + 325
• y = 12x  + 325
• y = 325 - 12x
• y = 325x + 12

Tags

CCSS.6.EE.C.9

Which equation shows the number of bottles left after x days?
A family buys a case of water with 48 bottles and drinks 5 bottles per day.

• y = 48x + 5
• y = -5 + 48x
• y = -5x - 48
• y = 48 - 5x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

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

Bob has $150 in his savings account and saves $40 per month.

• 150 + 40
• 40x + 150
• 150x + 40

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Suppose that a bike rents for $4 plus $1.50 per hour. Write an equation in slope-intercept form that models this situation.

• y = 4x + 1.50
• y = 1.50x + 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, C, after h hours of babysitting. 

• C = 5h + 3
• C = 3h + 5
• H = 5c + 3
• H = 3c + 5

Tags

CCSS.HSA.CED.A.1

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 = 25 + 50h
• C = 50 + 25h
• H = 25 + 50c
• H = 50 + 25c

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

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

• y = 20 + 30x
• y = 30 + 20x
• y = 50x
• y = 60x

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

In order to join a yoga club there is a $100 annual fee and a $5 fee for each class you attend. Write an equation in slope-intercept form that models this situation.  After how many classes will the total cost be $200?

• 20 classes
• 15 classes
• 10 classes
• 200 classes

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Talk time Phone Company charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for its phone service.  Which equation below can be used to find c, the total cost for one month when m, minutes are used?

• c = 0.12m + 8m
• c = 8m + 0.12m
• c = 0.12m + 8
• c = 0.20m

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3