<PRE><B>Question 1127044</B>
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 spends half her money in the first shop she visits. In the second shop she spends 1/3 of what remains. In the third shop she spends $25. She then has $15 left. How much had she at the start? 
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x, starting amount


After first shop
{{{x/2}}} remains



After second shop
{{{(2/3)(x/2)}}}

{{{x/3}}} remains


After third shop
{{{x/3-25=15}}}


{{{x/3=40}}}

{{{highlight(x=120)}}}


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check:
shop 1
60 remain.
shop 2
40 remain.
shop 3
40-25=15</PRE>