Amanda earns $3 for every cup of lemonade she sells. Write an equation that shows the relationship between the number of cups sold x and the earnings y. Write your answer as an equation with y first, followed by an equals sign.

y=3x

Step-by-step explanation:

x is number of cups, and one cup is 3 dollars, so 3 times x is the amount of earnings Amanda would earn

for example:

Lets say Amanda sold 9 cups of lemonade, and each cup is 3 dollars

if you plug the numbers into the equation it would look like: y= 3 x 9

her earnings would be 27 dollars.

hope this helps!

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step-by-step explanation:

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step-by-step explanation: