Question

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Question:
At the dance, soft drinks were 4 for $2.20 this use relationship to fill in the table.

A.) fill in the table:
# of drinks: 1 2 3 4
Princes ($) | | | | |

B.) why is the constant of proportionality?

C.) if you were to buy 22 soft drinks, how much would it cost?


THANK YOU TO WHOEVER ACTUALLY SOLVES THIS <333 :) HAVE A NICE DAY!

Answer 1

Please see below.

Explanation:

First, let us find the cost of ONE soft drink.

We have the relation:

4 drinks for $2.20

We can divide the amount of money by the amount of drinks.

2.20 / 4 = 0.55

With this, we can conclude that each drink costs $0.55

A.)

Fill in the table.

For this, we just need simple multiplication.

1 drink = $0.55

2 drinks = $1.10

3 drinks = $1.65

4 drinks = $2.20

B.)

What is the constant of proportionality?

We have y = 2.20 and we have x = 4. Using the equation of proportional relationship, y = kx, we can plug in these numbers.

The constant of proportionality is 0.55.

C.)

If you were to buy 22 soft drinks, how much would it cost?

We can use multiplication.

22 x 0.55 = 12.10

22 soft drinks cost $12.10.

I hope this helps you. Please inform me of any mistakes.