Question
A pizza chef made and sold a total of 100 pizzas that were either cheese or pepperoni. The cheese pizza's were $9 each and the pepperoni pizzas sold for $11 each. If the total receipts were $1026, how many pepperoni pizzas did he sell?
Answers
This is my work: I don't know if its right...
x-y=100
9x+11y=1026
9(x-y=100
---------
9x-9y=900
9x+11y=1026
___________
2y=1926 1926/2= 963
y=963
He sold about 87 pizzas?
x-y=100
9x+11y=1026
9(x-y=100
---------
9x-9y=900
9x+11y=1026
___________
2y=1926 1926/2= 963
y=963
He sold about 87 pizzas?
Tom curry apple jacks
Well your answer is wrong and you should use IXL it help alot.