At Renaldi's Pizza, A soda and two slices of the pizza of the day cost $10.25. A soda and four slices of the pizza day cost $18.75. Find the cost of each item.

Given:

A soda and two slices of the pizza of the day cost $10.25.

A soda and four slices of the pizza day cost $18.75.

To find:

The cost of each item.

Solution:

Let x be the cost of a soda and y be the cost of each slice of the pizza.

A soda and two slices of the pizza of the day cost $10.25.

          ...(i)

A soda and four slices of the pizza day cost $18.75.

          ...(ii)

Subtracting (i) from (ii), we get

Putting y=4.25 in (i), we get

Therefore, the cost of each soda is $1.75 and the cost of each slice of pizza is $4.25.

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.