IronMik3y100 IronMik3y100

20-02-2017
Mathematics

contestada

Keena bought a total of 16 apples and oranges for $20. Each orange was $2, and each apple was $1. How many apples and oranges did Keena buy?

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20020227qjy 20020227qjy

20-02-2017

set apples x
set oranges(16-x)
1*x+2*(16-x)=20
x+32-2x=20
-x=-12
x=12
16-x=4
so there are 12 apples and 4 oranges

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