Percentage Increase in Dimensions

A rectangular patio has a length of l feet. If the length is increased by 50%, what is the new length?

• 0.50l

• l + 0.50

• 1.50l

• l + 50

A rectangular patio has a width of w feet. If the width is increased by 20%, what is the new width?

• 0.20w

• w + 0.20

• 1.20w

• w + 20

A rectangular patio has an original length l and width w. If the length is increased by 50% and the width is increased by 20%, which expression represents the new area of the patio?

• (l + 0.5) * (w + 0.2)

• (1.5l) * (1.2w)

• (0.5l) * (0.2w)

• (l * w) + (0.5 + 0.2)

To increase a quantity by a certain percentage, you can multiply the original quantity by (1 + decimal equivalent of the percentage). If a value V is increased by 30%, what is the new value?

• 0.30V

• V + 0.30

• 1.30V

• V + 30