Small pizzas were $3 and large pizzas were $5. To feed the throng, it was necessary to spend $475 fo

Small pizzas were $3 and large pizzas were $5. To feed the throng, it was necessary to spend $475 for 125 pizzas. How many small pizzas were purchased?

Let s be the number of small pizzas and l be the number of large pizzas. We have two given equations:

1. l + s = 125
2. 3s + 5l = 475

Using our simultaneous equation calculator, we get s = 75: