## Prepare a Presentation

## Work Time

# Prepare a Presentation

Be prepared to explain and justify the algebraic expressions you used to describe the construction site.

# Challenge Problem

Could you use either of these equations to find the original price, in dollars, of a T-shirt, if the sale price after a 20% discount is $10?

0.80*x* = 10

or

1.2 ⋅ 10 = *x*