The wall behind Nancy’s stove floor is covered in triangular tiles. Each triangular tile has a base of 10 cm and a height of 15 cm. If the wall is made up of 100 of these tiles, what is the area of the whole tiled wall?

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.