Marcelina uses a blend of white corn and
yellow corn to make tortilla chips at her
restaurant. She needs to buy 50 kg of corn
in total for her next order. White corn costs
$0.30 per kilogram, yellow corn costs
$0.15 per kilogram, and she wants to
spend $12 total.
Here's a graph that shows a system of
equations for this scenario where x is the
amount of white corn she buys and y is the
amount of yellow corn she buys.