SOLUTION: 3s + 1d = £3.50 2d + 1s =£3.25 What does S and D equal

Algebra ->  Sequences-and-series -> SOLUTION: 3s + 1d = £3.50 2d + 1s =£3.25 What does S and D equal       Log On


   

Question 221265: 3s + 1d = £3.50
2d + 1s =£3.25
What does S and D equal
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3s + 1d = £3.50 --> 2d + 6s = 7
2d + 1s =£3.25
2d + 6s = 7
------------- subtract
0d - 5s = -3.75
s = 0.75
--------
2d + s = 3.25
2d = 2.5
d = 1.25