Neela is buying shirts that are on sale at two for the price of one. The original price of each shirt was s dollars. She buys 4 shirts for $24.Which equation shows an equality between two different ways of writing how much Neela spends on the shirts? A. 4s = 24
B. 4 (s\2)=24
C. 2s\4=24
D. 2s x 4 =48

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?