karina uses the system of equations below to compare the monthly utility costs in july and december for…

karina uses the system of equations below to compare the monthly utility costs in july and december for electricity, x, and natural gas, y.\n750x + 17y = 141.61\n300x + 30y = 75.90\nkarina solves the system using linear combination and arrives at the equation 116y = 96.28. she then solves this equation for y. which statement explains karinas solution?\nthe cost of natural gas is $0.17 per unit.\nthe cost of natural gas is $0.20 per unit.\nthe cost of natural gas is $0.72 per unit.\nthe cost of natural gas is $0.83 per unit.

karina uses the system of equations below to compare the monthly utility costs in july and december for electricity, x, and natural gas, y.\n750x + 17y = 141.61\n300x + 30y = 75.90\nkarina solves the system using linear combination and arrives at the equation 116y = 96.28. she then solves this equation for y. which statement explains karinas solution?\nthe cost of natural gas is $0.17 per unit.\nthe cost of natural gas is $0.20 per unit.\nthe cost of natural gas is $0.72 per unit.\nthe cost of natural gas is $0.83 per unit.

Answer

Answer:

B. The cost of natural gas is $0.83 per unit.

Explanation:

Step1: Solve for y in 116y = 96.28

$y=\frac{96.28}{116}$

Step2: Calculate the value of y

$y = 0.83$ This value of y represents the cost per - unit of natural gas. So the cost of natural gas is $0.83 per unit.