SOLUTION: please help! solve my rational equation
4/5 + 7/8 = s/20
the solution is s= ??
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Question 759117: please help! solve my rational equation
4/5 + 7/8 = s/20
the solution is s= ??
Found 2 solutions by jim_thompson5910, MathTherapy:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
4/5 + 7/8 = s/20
32/40 + 7/8 = s/20
32/40 + 35/40 = s/20
(32 + 35)/40 = s/20
67/40 = s/20
67*20 = 40s
1340 = 40s
1340/40 = s
s = 1340/40
s = 67/2 <--- Answer as a fraction
s = 33.5 <--- Answer as a decimal
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
please help! solve my rational equation
4/5 + 7/8 = s/20
32 + 35 = 2s ------ Multiplying by LCD, 40
67 = 2s
s = , or
You can do the check!!
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