Question

Brown rice costs $2 per pound, and beans cost $3 per pound. Lin has $12 to spend on these items to make a large meal of beans and rice for a potluck dinner. Let b be the number of pounds of beans Lin buys and r be the number of pounds of rice she buys when she spends all her money on this meal. Which equation represents this situation?

Answer 1

2r+3b=$12

Explanation:

Rich is 2/pound, making 2r. Beans are 3/pound, making 3b.