Answer:
4.5 quarts Alcohal is there in 15 quarts of No-Freeze .
Explanation:
Formula

As given
No-Freeze antifreeze mixture contains 30% allcohal.
There is 15 quarts of No-Freeze .
Total value = 15 quarts
Percentage = 30%
Put all the values in the formula



Part value = 4.5 quarts
Therefore the 4.5 quarts Alcohal is there in 15 quarts of No-Freeze .