Ratio Problems( Week 27 Practice) 1. A gift bag costs $18 in store A and the same gift bag is on sale in store B for $15. How many gift bags can be bought in store B with the amount of money needed to buy 5 same gift bags in store A? 2. One cubic foot of a certain material weighs 11 pounds and costs $34.56 per pound. A cubic foot equals to 1728 cubic inches. At the same rate, what is the cost of 102 cubic inches of the same material? 3. If of a number is 57, what is of the number? 4. If of of a number is 21, what is of the same number? 5. In a certain solution of water and alcohol, the ratio by volume of the amount of water to the amount of alcohol is 5 to 4. If the volume of the alcohol is 108 cubic inches, what is the volume of the water (in cubic inches)? |