just multiply the dimensions.
1L = 1000 cm^3
A rectangular water tank of base 80 cm ✖ 90 cm contains water up to depth of 40 cm. How many litres are there in the tank?
2 answers
A recipe for cookies calls for 7 and one half 7 1/2 cups of flour. If the recipe is for 2 dozen cookies, how much flour is needed for 13 dozen cookies?