1) which answer is a solution of the equation? 2x-y=5
a) (3,-1)

b) (1,2)

c) 7

d) (2,-1)

2) what is the slope of the line that passes through the points (1,3) and (5,-2)?
a) -4/5

b) 4/5

c) 5/4

d) -5/4

answer: for each 3 girls there is 2 boys . 3: 2

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$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.