Brown rice costs $2 per pound and beans cost $1.60 per pound. Lin has $10 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.
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Answer:
Write an equation relating the two variables.
Rearrange the equation so b is the independent variable.
Rearrange the equation so r is the independent variable.
Step-by-step explanation:
The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.
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