SOLUTION: kristin spent $131 on shirts.Fancy shirts costs $28 and plain shirts cost $15.if she bought a total of 7 then how many of each kind did she buy?

Question 939299: kristin spent $131 on shirts.Fancy shirts costs $28 and plain shirts cost $15.if she bought a total of 7 then how many of each kind did she buy?
Answer by srinivas.g(540) (Show Source): You can put this solution on YOUR website!
let x be the no of fancy shirts & y be the no of plain shirts
total no of shorts =7
x+y= 7.............eq(1)
Fancy shirts costs $28 and plain shirts cost $15
28*x+15*y =131....................eq(2)

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 1*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=5. Since , x=2.

Answer: .

Result : no of fancy shirts = 2
no of plain shirts = 5

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