Answer:
72 adult tickets were sold and 114 child tickets were sold.
Step-by-step explanation:
x+y=186, 14x=10y=2148
x=186-y
14(186-y)+10y=2148
2604-14y+10y=2148
2604-4y=2148
-4y=-456
y=144
x=186-144 : x=72
Answer:
14 cups
Step-by-step explanation:
3 pizzas needed
1 pizza means 2 cups of flour
So for 3 pizzas he will need 6 cups of flour
If he has 20 cups of flour and he uses 6, how much is left?
20-6=14