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# I dont understand help

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if i was to sell one of these souvenirs to a friend, at a small profit (of just 15 %.) Later, this cash-strapped friend sells this same souvenir in Toowoomba for AU\$300, after they adding on a whopping 60% profit and a further AU\$25 to cover petrol for the Brisbane - Toowoomba trip. What did the souvenir originally cost you in the new zealand currency? pls show me the working out i dont understand this question

Guest Oct 31, 2017
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#1
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Let the original cost of the souvenir =S
You sold it at a profit of 15% =1.15S
Then it was resold at 60% profit + \$25 for expenses. So, you have:
(1.15S)*1.60 + \$25 =\$300, solve for S
1.84S + \$25 =\$300  Subtract \$25 from both sides:
1.84S =\$300 - \$25
1.84S =\$275             Divide both sides by 1.84
S= \$275/1.84 =\$149.45 - The original cost of the souvenir.

Guest Oct 31, 2017
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thank you so much

Guest Oct 31, 2017

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