A building is 21 meters high, 15 meters long, and 14+30X meters wide.
Express its volume in terms of X.
A building is 21 meters high, 15 meters long, and 14+30X meters wide.
Express its volume in terms of X.
We use a formula to calculate the volume: height times width times length.
We rewrite the exercise using the existing data:
We use the distributive property to simplify the parentheses.
We multiply 21 by each of the terms in parentheses:
We solve the multiplication exercise in parentheses:
We use the distributive property again.
We multiply 15 by each of the terms in parentheses:
We solve each of the exercises in parentheses to find the volume: