Ashoe bow measures 15 in. by 7 in. by 4 1/2 in. what is the surface area of the box?

Surface area = Length x Width + Perimeter x height

Surface area = 15 x 7 + (15 + 15 + 7 + 7) x  4 1/2 = 303 in²

303 in²

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.