Answer:
240 quarts
Explanation:
To make 8 bottles of window cleaner, we need:
Rubbing alcohol = 6 cups
Gallons of water= 2 1/4 gallons of water
Ammonia = 1 1/2 cups
We are asked to find out how many quarts of rubbing alcohol would the formula call for if a factory-made 1,280 bottles for stores to sell to customers.
Step 1
Find how many cups of alcohol is need to make 1,280 factory made bottles
If 8 bottle of window cleaner = 6 cups of alcohol
1280 factory made bottles =
We cross multiply
= (1280 × 6) ÷ 8
= 7680 ÷ 8
= 960 cups of alcohol.
Step 2
The question specify that they wanted to know the NUMBER OF QUARTS of rubbing alcohol needed
One quart of a cup = 1/4 of the cup
Therefore, the number of quarts of 960 cups of rubbing alcohol =
960 × 1/4 = 240 quarts
Therefore, the number of quarts of rubbing alcohol that the formula call would for if a factory-made 1,280 bottles for stores to sell to customers is 240 quarts.