Answer to Question #34093 in Algebra for rose

Question

2. The PWC canteen sells chicken and egg sandwiches. It generates an income of Php 2 for every chicken sandwich sold and Php 1.25 for every egg sandwich. Yesterday, they were able to sell all 420 sandwiches prepared and generated an income of Php 615. The canteen in charge realized that they could have earned more if additional sandwiches are prepared.
a. How many chicken sandwiches did the canteen able to sell on that day? How about egg sandwiches?
b. If you were the canteen in charge of the canteen, which kind of sandwich will you prepare more? Why?