Understanding Constraints and Values

2.1.1 Understanding Constraints and Values

2.1.1 • Understanding Constraints and Values

Warm Up

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.

Close up of trail mix.

Decide if each pair of values could be a combination of raisins and walnuts that Diego bought.

1.

4 pounds of raisins and 2 pounds of walnuts

No

2.

1 pound of raisins and 1.5 pounds of walnuts

No

3.

2.25 pounds of raisins and 0.75 pound of walnuts

Yes

4.

3.5 pounds of raisins and 1 pound of walnuts

No