Q:

PLEASE HELP!Kelly spent &26.91 at a yard sale. She bought a toaster and vacuum. The vacuum cost &17.55. How much did the toastera. Write an equation that models the problemb. Solve the equationc. Write your answer in the form a sentence.

Accepted Solution

A:
Answer:Part a) [tex]x+17.55=26.91[/tex]Part b) [tex]x=\$9.36[/tex]Part c) The toaster cost was $9.36Step-by-step explanation:Part a) Write an equation that models the problemLetx ----> the cost of the toastery ----> the cost of the vacuumwe know The cost of the toaster plus the cost of the vacuum must be equal to money that Kelly spent at a yard saleso[tex]x+y=26.91[/tex] ----> equation A[tex]y=17.55[/tex] ----> equation B (given problem)substitute equation B in equation A[tex]x+17.55=26.91[/tex] -----> linear equation that models the problemPart b)  Solve the equationwe have[tex]x+17.55=26.91[/tex]Solve for xSubtract 17.55 both sides[tex]x=26.91-17.55[/tex][tex]x=\$9.36[/tex]Part c) Write your answer in the form a sentence.The toaster cost was $9.36