Question

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?

Answer 1

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