Question

Jasmine bought 3 slices of cheese pizza and 2 slices of pepperoni pizza for a total cost of $11.75. Keegan bought 2 slices of cheese pizza and 1 slice of pepperoni pizza for a total cost of $7. What is the cost of one slice of CHEESE pizza?

Answer 1

$2.25

Explanation:

Answer 2

$2.25

Explanation:

Let c represent the price of cheese pizza and let p represent the prize of pepperoni pizza

3c + 2p= 11.75

2c + 1p = 7

Solve using elimination method

3c + 2p= 11.75 × 2

2c + 1p = 7 × 3

6c + 4p = 23.5

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6c + 3p = 21

p = 2.5

Substitute 2.5 for p in equation 1

3c + 2p= 11.75

3c + 2(2.5) = 11.75

3c + 5 = 11.75

3c = 11.75-5

3c = 6.75

c= 6.75/3

c= 2.25

Hence the price of one slice of cheese pizza is $2.25