The price of a cup of coffee has risen $2.70 today. Yesterday's price was $2.45. Find the percentage increase. Round your answer
1 answer:
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Answer: cheese pizzas = 25 , Pepperoni pizzas = 15
Step-by-step explanation:
Let x = Number of cheese pizzas, y = Number of pepperoni pizzas.
As per given,
Multiply 7 on both sides of (i), we get
Eliminate (iii) from (ii), we get
Put value of y in (i) ,
Hence, cheese pizzas = 25 , Pepperoni pizzas = 15