Finding a Constant of Proportionality Answers

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?

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?

A constant of proportionality can also be considered a(n)

Sharon graphed the formula for converting weight from kilograms to pounds.If an item weighs 45 kilograms, what is its weight in pounds?

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

Hector made a batch of pancakes for his guests. He used 6 cups of milk, 3 eggs, and 9 cups of pancake mix. What is the constant of proportionality for the ratio of pancake mix to milk?

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

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?