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Les bought 6 pairs of shorts for s dollars each and a blazer that cost three times as much as a pair of shorts.He Spent a total of $139.50.How much did the blazer cost?
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Les bought 6 pairs of shorts for s dollars each and a blazer that cost three times as much as a pair of shorts.He Spent a total of $139.50.How much did the blazer cost?
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Sep 22, 2018
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Les bought 6 pairs of shorts for s dollars each and a blazer that cost three times as much as a pair of shorts.He Spent a total of $139.50.How much did the blazer cost?
Mathematics
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Zzlalani
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6s + 3s = 139.50
s = 139.50 / 9 = $15.50
The blazer cost 3s dollars = 3 * 15.50 = $46.50 Answer
Donnie
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Sep 24, 2018
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Donnie
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Set up a system of equations.
6s+b=139.5
b=3s
Substitite for b
6s+3s=139.5
9s=139.5
s=15.5
Now multiply by 3 to get the blazer price
15.5*3= 46.5
Final answer: $46.50
KpTheConstructor
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Sep 27, 2018
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