A pen costs twice as much as a pencil. The total cost of 1 pen and 1 pencil is $2.10. If p represents the cost of 1 pencil, which equation could you use to find p?

sophia baked 36 macadamia cookies, 12 chocolate chip cookies, and 72 sugar cookies for her birthday party. what percent of the cookies she made are sugar cookies?

What is 124% as a fraction?

3/5 of Jill's 30 page photo album is full. She wanted to set aside 1/4 of the pages that are in there for vacation. How many pages can she fill before her vacation?

Alice wants to put wall-to-wall carpeting in a small room with the floor plan shown. a. alice says she can find the area of the room by dividing the floor plan into two trapezoids. show how she can divide the floor plan.

A ship is 1.4° off course. If the ship is traveling at 14.0 miles per hour, how far off course will it be after 2 hours?

Find an equation equivalent to r=6secθ in rectangular coordinates and describe the graph of the equation.

A construction company is laying concrete for a new building. The company has 4 dump trucks with 1.15 tons of gravel each, and 2 dump trucks with 0.7 tons of sand. How many tons of material will the company use for the new building?

Find amount of tips on a 75 bill if a 50% tip is left

What is 5x - (8x+9) + 4.5x

the ration of the boys to the number of children at a carnival is 3:8 Therr were 40 more girls than boys at the carnival. How mnay children were there at the carnival altogether?