Diego bought some raisins and walnuts to make trail mix. Raisins cost $4 a pound and walnuts cost $8 a
pound. Diego spent $15 on both ingredients. Decide if
each pair of values could be a combination of raisins
and walnuts that Diego bought.
Explain your answer.

The last one

Step-by-step explanation:

the answer to the question is a  

it has the same slope and the same y-intercept.

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.