Graphing Proportional Relationships Answers

The table below shows the price of rolls at a bakery. A baker’s dozen includes 13 rolls for the price of a dozen rolls. How much money is saved by buying a baker’s dozen instead of 13 individual rolls?Number of rolls68Baker’s dozenPrice ($)$3.60$4.80$7.20

Vince weighs 160 pounds, and his friend Nadir weighs 140 pounds. Nadir calculated that his weight on another planet would be about 56 lb. Approximately what would Vince weigh on the other planet?

Nia plans to put enough money in the bank each week for 100 weeks so that the amount in the bank is always proportional to the week number. On week 8, she had $20.00. On week 12, she had $30.00. How much money will be in the savings account on week 100?

Sasha noticed that the graph of the sales of yearbooks represented a proportional relationship. How could she have calculated the constant of proportionality by looking at the graph?

This table represents the proportional relationship between the number of boxes and the number of magnetic cubes held by the boxes. CubesBoxesNumber of cubes1n562581,000What is the unknown value representing the unit rate?

Jose bought 750 bags of peanuts for $375.00. He intends to sell each bag for $0.15 more than he paid. How much should he charge for each bag?

The first number in an ordered pair of numbers that corresponds to a point on a coordinate system is the

Which table shows a constant of proportionality of 2 for the ratio of string instruments to percussion instruments?

A scientist measured the water pressure at different depths. She made a table showing her findings. The x-values represent the depth, in meters. The y-values represent the pressure in atmospheres (atm). xy00153306Assuming there is a proportional relationship, which additional set of values could be included in the table?

Melissa’s family is driving out of state to her grandmother’s house. They know that it takes 20 gallons of gas to get there, and the cost of three gallons of gasoline is $10.50. How much should the family budget to make the one-way trip?