Flip the second fraction, and then multiply them. when you do that, simplify the total, and you got your answer
Answer:
16 ft
Step-by-step explanation:
It's 18 it means 18 times 3 becomes 54 and that's how you get it
The number of grams is 20 grams
Let x represent how many grams of a 15 percent alcohol solution
15%x+30%.40/x+40
=25%
0.15x+0.4.30=0.25 (x+40)
0.15x+12=0.25x+10
0.15x-0.25x=10+12
-0.1x=-2
x=-2/-0.1
x=20
Inconclusion The number of grams is 20 grams
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