SOLUTION: Stefan and Bill each improved their yards by planting hostas and shrubs. They bought their supplies from the same store. Stefan spent $117 on 7 hostas and 10 shrubs. Bill spent $10

Question 993950: Stefan and Bill each improved their yards by planting hostas and shrubs. They bought their supplies from the same store. Stefan spent $117 on 7 hostas and 10 shrubs. Bill spent $108 on 8 hostas and 5 shrubs. What is the cost of one hosta and the cost of one shrub?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x=hostas cost
y=shrubs cost
7x+10y=117
8x+5y=108
======
7x+10y=117
-16x-10y=-216, multiplying the bottom by (-2)
-9x=-99
x=11
substitute into first
77+10y=117
y=4
=====
check with second
88+20=108
hosts are $11
shrubs are $4
RELATED QUESTIONS
Julia and Mary each improved their yards by planting hostas and ivy. They bought their... (answered by stanbon)

Julio and Molly each improved their yards by planting hostas and geraniums. They bought... (answered by josmiceli)

daniel and kayla each improved their yards by planting daylilies and shrubs. they bought... (answered by ikleyn)

mike and shawna each improved their yard by planting rose bushes and shrubs. they bought... (answered by Boreal)

Bill and heather each improved their yards by planting rose bushes and geraniums. They... (answered by Boreal)

Rob and Amy each improved their yards by planting daylilies and ornamental grass. They... (answered by Boreal)

danielle and julia each improved their yards by planting daylilies and ornamental grass.... (answered by Cromlix)

Cody and Pranav each improved their yards by planting day lilies and ivy. They bought... (answered by addingup,josmiceli)

Asanji and Ndiba each improved their yards by planting rose bushes and ornamental grass,... (answered by ikleyn)