Real Life Problems
Constant of Proportionality
Consumer Problems
Conversion Between Measurements
100
If Tom can paint 1/4 of his room in 3 hours, then how many hours will it take him to paint his whole room?
12 hours
100
What is the constant of proportionality in this table?
k = 45 mph
100
Tax in Wisconsin is 5%. If you have dinner at Sanford Restaurant for 41.50, how much is your total? (Round to the nearest cent)
$43.58
100
True or False:
7 miles in 10 minutes = 3.5 miles in 5 minutes.
True
200
If Joanna can eat 1/5 of a pizza in 2/3 of an hour, then how much pizza can she eat in 3 hours?
9/10 of a pizza
200
Using this graph, write the equation for the constant of proportionality.
y = 3x
200
Scrub, Scrub is having a sale. Everything is 30% off. If a plunger costs $4.50 and a container of wet wipes costs $3, how much do I save (discount amount)?
$2.25
200
If a paper clip weighs approximately one gram, estimate how many paper clips will be in a 0.5 kilogram box of paper clips.
500
300
If Joe sells $3000 in jewelry last month, and he makes an 8% commission on all sales, how much in commission did Joe make last month?
$240
300
What is the constant of proportionality equal to?
y = 2/3x
2/3
300
Tickets to a football game cost $355 per ticket. If Billy buys 4 ticket plus a 6% tax, what is his total cost?
$1505.20?
300
As you travel along a highway you notice the mile markers and reflectors along the side of the road. There are 21 reflectors between the mile markers. If the reflectors are equally spaced, how many feet are between each reflector?
22
400
A 24 oz. Diet Dr. Pepper is $1.75, so how much would it cost to purchase an 84 oz. drink?
$6.13
400
Using this table, what is k equal to?
k = 3
400
Work Outside is having a sale: 34.5% off on everything. If John Doe buys a driving lawn mower for $452.50 and a rake for $12.25, with 5.5% tax, how much is his total price? **Do the discount first and then apply the tax
$321.16
400
If Pete drove 300 miles at a rate of 50 miles per hour, find the number of hours Pete traveled.
6
500
If Bonnie makes $8 per hour, predict how much money Bonnie will make if she works 32 hours this week.
$256
500
y = 1/7 x
24.5 pounds on Earth
500
Complex Meals is marking up their prices by 15%. The original prices of Tim's meal are as follows: A calamari appetizer for $9.50, a plate of spaghetti for $11.25, cheesy garlic bread for $4.90, iced tea for $2.75, and a slice of chocolate mousse cake for $3.15. The tax rate is 5.5%, and for excellent service, Tim gives them a 17% tip. What is the total? (Round to the nearest cent)
$44.79
500
A car uses 18 gallons of gasoline to travel 558 miles. How far can the car travel on 12 gallons of gasoline?
372