Question

Math help

Raisins sell for $3.50 per pound, and granola sells for $5.90 per pound. Terri bought some raisins and some granola. The total weight was 2.1 pounds and cost $8.79.

Let r represent the number of pounds of raisins Terri purchased.

Which expression represents the number of pounds of granola she purchased?

A.
2.1 – r

B.
2.1r

C.
r + 2.1

D.
r – 2.1