SOLUTION: $120 is shared among three boys. Tom gets $5 more than Ram who gets $5 more than Chin. How much does Tom get?
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Question 1179145: $120 is shared among three boys. Tom gets $5 more than Ram who gets $5 more than Chin. How much does Tom get? Found 3 solutions by ewatrrr, ikleyn, greenestamps:Answer by ewatrrr(24785) (Show Source):
Hi
Let x be Chin's amount:
Tom + Ram + Chin = $120
(x+10) + (x+5) + x = $120
3x = $105
x = $35, chin's amount. Tom gets $45.
$45 + $40 + $35 = $120 checks.
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$120 is shared among three boys. Tom gets $5 more than Ram who gets $5 more than Chin. How much does Tom get?
~~~~~~~~~~~~~~~~
Tom x
Ram (x-5)
Chin ((x-5)-5) = x - 10.
Total
x + (x-5) + (x-10) = 120 dollars
3x - 15 = 120
3x = 120 + 15 = 135
x = 135/3 = 45.
ANSWER. Tom gets 45 dollars.
CHECK. 45 + 40 + 35 = 120. ! Precisely correct !
The differences are the same, so the three numbers form an arithmetic progression.
For three number in arithmetic progression with a sum of 120, the middle number is 120/3 = 40; with a common difference of 5, the three numbers are 35, 40, and 45.
ANSWER: Chin $35; Ram $40; Tom $45
If you want a typical standard algebraic solution....
let x = amount Ram gets
then x-5 = amount Chin gets
and x+5 = amount Tom gets