Question

1. Based on the information in the table, is the cost of the apples proportional to the weight of the apples?

2. Write an equation for the proportional relationship.

Answer 1

1. Yes because it keeps a consistent pattern

2.4.20/2=2.1

Answer 2

Explanation:

yes

no

Explanation:

When a number of similar calculations are required, a spreadsheet can reduce the tedium.

1. The price is a constant $1.88 per pound, so is proportional to the weight.

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2. The price is not proportional to the number of toppings.

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The cost of the pizza is $8.99 plus $1.50 per topping. The base cost being non-zero ensures that the overall cost is not proportional to the number of toppings.