Mira picked two numbers from a bowl. The difference of the two numbers was 4, and the sum of one-half of each number was 18. The system that represents Mira’s numbers is below.
x – y = 4
One-halfx + One-halfy = 18
Which two numbers did Mira pick?
10 and 8
18 and 4
20 and 16
40 and 32
