Mr. Smith is adding food coloring to water to create his own paint colors. He has 5 1/3 cups of water. To create a color, he needs 2/3 cups of water. How many paint colors in all can Mr. Smith create if he uses all the cups of water he has?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?