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Mathematics 7 Online
OpenStudy (faman39):

Please help me! i dnt understand how this prob can workin bakward, i cnt get it how to do and understand these all solve prob workin bakward Emily brought some money on a trip to the aquarium. She used half of the money to buy an admission ticket. Then, she used $8 to buy lunch at the food court. She used 3/4 of what was left to buy a souvenir, leaving her with $4 . How much money did Emily take to the aquarium?

OpenStudy (mertsj):

1/2x-8-3/4(1/2x-8)=4

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