1 2/3 * 7/8...turn the mixed number to an improper fraction
5/3 * 7/8 = 35/24 = 1 11/24
I have worked out the answer to the question, I hope it helps you. Please do not forget to check if this answer if reliable, I am not always correct
we know that 1 gallon = 4 quarts so...
17 gallons of root beer + 12 gallons of punch = 29 gallons in total
29 gallons ÷ 4 = 7.25 quarts
so she needs 7 bottles of quarts for her 29 total gallons.