Question 376168: A teenager went shopping . She spent 2/7of her money on clothes and 2/3 of the remaining amount she spent on shoes. Afterwards she spent 1/4 of her money on food and found she had $24 left for cab fare how much did she have to began with
need to show the work.
Answer by Jk22(389)   (Show Source):
You can put this solution on YOUR website!
before the food was bought, she had f$, with f-f/4=24, hence f=4*24/3=32$
before she spent for shoes she had s$, and s-2/3s=32=s/3, s=96$
at the beginning she had m$, and m-2/7m=96=5/7*m
m=96/5*7=(100-4)/5*7=(20-8/10)*7=140-56/10=140-5.6=135-.6=134.4$
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