1. Write an algebra equation for each purchase. I (Mickey) bought an ice cream treat and a bottle of water for $10. Pam purchased an ice cream treat and two bottles of water for $14. Use your equations and reasoning skills to find the price of a bottle of water and an ice cream treat.

Question

Elaine Farley

Mathematics

8 February, 09:20

1. Write an algebra equation for each purchase. I (Mickey) bought an ice cream treat and a bottle of water for $10. Pam purchased an ice cream treat and two bottles of water for $14. Use your equations and reasoning skills to find the price of a bottle of water and an ice cream treat.

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Answers (1)

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Hugo Espinoza · Answer 1

x+y=10

x+2y=14

x is common in both so u have to subtract the second one from 1st

x-x + y-2y = 10-14

-y = - 4

y=4

which means bottle of water (y) = 4

and then substitute 4 in equation (x+y=10 or x+2y=10)

x + 4 = 10

x=6