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Gwar [14]
2 years ago
8

Lesson 5 Practice Problems

Mathematics
2 answers:
nasty-shy [4]2 years ago
8 0

Answer:

Find out the how many pizzas are delivered to a customer who pays $80 .To proveAs It is not stated, but implied that all pizzas cost.

Step-by-step explanation:

brainliest please

olga2289 [7]2 years ago
3 0
Let the price of a pizza be x
Delivery charge be y
Cost of two pizzas = 2*x
2x+y=25. ————-(1)
Y=25-2x
Cost of 5 pizza = 5*x
5x+y=58. —————-(2)
Substitute y=25-2x in equation 2
5x +25-2x=58
3x+25=58
Subtract 25 from both sides
3x =58-25
3x=33
Divide both sides by 3
X=33/3
X=11
Plug-in x= 11 in equation 1
2*11+y=25
22+y=25
Y=25-22
Y=3
Cost of a pizza =$11
Delivery charge=$3

80-3=77
Number of pizzas delivered=77/11=7


7 pizzas are delivered
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