Asked by Anonymous
Helen and Sam had some stamps. When Helen gave away 360 stamps and
Sam gave away 48 stamps, the number of stamps Helen had was 2/5 of the
number of stamps Sam had. How many stamps did Helen have at first if she had 114 more stamps than Sam?
Sam gave away 48 stamps, the number of stamps Helen had was 2/5 of the
number of stamps Sam had. How many stamps did Helen have at first if she had 114 more stamps than Sam?
Answers
Answered by
Anonymous
H-360 = (2/5) (S-48) = (2 S - 96) / 5
S = H - 114
------------- substitute
5 H - 1800 = 2 S - 96
5 H - 1800 = 2 (H-114) - 96
5 H - 1800 = 2 H - 228 - 96
3 H = 1476
H = 492
S = H - 114
------------- substitute
5 H - 1800 = 2 S - 96
5 H - 1800 = 2 (H-114) - 96
5 H - 1800 = 2 H - 228 - 96
3 H = 1476
H = 492
Answered by
mathhelper
Sam had x stamps
Helen had x+114 stamps.
after the Great Give-away:
Same had x-48
Helen had x+114 - 360 = x - 246
"Helen had was 2/5 of the number of stamps Sam had"
----> x - 246 = (2/5)(x - 48)
5x - 1230 = 2x - 96
3x = 1134
x = 378
Helen originally had 378+114 or 492 stamps
check:
Sam had 378
Helen had 492
after gifting:
Sam had 378 - 48 = 330
Helen had 492 - 360 = 132
and (2/5)(330) = 132 , looking good!
Helen had x+114 stamps.
after the Great Give-away:
Same had x-48
Helen had x+114 - 360 = x - 246
"Helen had was 2/5 of the number of stamps Sam had"
----> x - 246 = (2/5)(x - 48)
5x - 1230 = 2x - 96
3x = 1134
x = 378
Helen originally had 378+114 or 492 stamps
check:
Sam had 378
Helen had 492
after gifting:
Sam had 378 - 48 = 330
Helen had 492 - 360 = 132
and (2/5)(330) = 132 , looking good!
Answered by
Anonymous
Whew :)
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