A biology teacher has 15 milliliters of a salt solution that is 65% salt. How many milliliters of water must the teacher add to
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Answer:
x = 23
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
=
= 3
multiply both sides by (x - 10)
3(x - 10) = 39 ( divide both sides by 3 )
x - 10 = 13 ( add 10 to both sides )
x = 23
You're lucky that I was able to do this :)
The answer is
