SOLUTION: AfterJune uses half the contents of her bottle of perfume, it weighs 26.5g. if the full bottle holds 7 ml of perfume what does the empty bottle weigh? Assume the perfume consists m

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Question 1201525: AfterJune uses half the contents of her bottle of perfume, it weighs 26.5g. if the full bottle holds 7 ml of perfume what does the empty bottle weigh? Assume the perfume consists mostly of water.
a)23g b)20g c) 20.5g d)13.75g
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming as if all water, then 7 grams liquid when full, 3.5 grams when half full.

The bottle with the liquid at HALF full is 26.5=3.5%2Bb, for b, just the bottle itself.

The bottle by itself is 23 grams.