4.2 is what percent of 14:
= 4.2 / 14
= 0.3
Converting decimal to a percentage:
0.3 * 100 = 30% of 14 gallons.
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14%
You will use 1/3 (which is 33.3333%) Now you can divide 42 by 3 and the answer is of course 14. (14 is a third of 42).
70 gallons of 20% solution contains 70*0.2 = 14 gallons of antifreeze. Suppose you need G gallons of the 80% antifreeze solution. This will contain 0.8*G gallons of antifreeze. Total volume of solution = G + 70 gallons Volume of antifreeze required in this solutions to make it a 70% solution is 0.7*(G + 70) = 0.7G + 49 gallons. Volume of antifreeze = 14 + 0.8G gallons So 0.7G + 49 = 14 + 0.8G 0.7G + 35 = 0.8G 35 = 0.1G 350 = G Answer: 350 gallons.
the answer is 42 14*2=42 14*3=42
The GCF is 14.