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Mariulka [41]
3 years ago
12

Susan is creating a solution. A formula for the solution calls for 7/10 mL of water. Susan wants to make 2/7 less of the solutio

n than the formula creates.
How much water should Susan use?
Express your answer as a fraction in simplest form.
Mathematics
2 answers:
Anastasy [175]3 years ago
5 0
Susan wants 2/7 less of the solution. The whole solution is equivalent to 1. So she wants the amount: 1 - 2/7 = 5/7 mL.
She takes 5/7 mL of 7/10 mL.
Therefore (5/7)*(7/10) = 35/70 = 1/2 mL
gregori [183]3 years ago
3 0
7|10 - 2|7 is the answer because she needs to use 7/10 but she wants to make 2/7 less so you subtract 2/7 from 7/10 and that's the answer
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