Joni's jar of 10 marbles contains 2 red, 3 blue, and 5 yellow marbles. How many red marbles would Joni need to add to the jar, so that 1/3 of the marbles are red?

What number is 73% of 200

At a track meet, Jacob and Daniel compete in the 220m hurdles. Daniel finishes in 3/4 of a minute. Jacob finishes with 5/12 of a minute remaining. Who ran the race in the faster time?

How many edges dose a box of cereal have?

Find two consecutive whole numbers that square root 109 lies between.

What is 3/4 + 5/4 equel

Arianna wrote the expression 3x5 on her paper. andy wrote it as 5x3. what property is this an example of?

Suppose that in a certain triangle, the degree measures of the interior angles are in the ratio $2:3:4$. If the largest interior angle measures $x^/circ$, what is the value of $x$?

The music department of a department store sold 12 jazz CDs last month. Jazz sales during that month made up 2% of the music departments total sales. Determine the number of CDs that the store sold during that month

Two sides of a rectangular desktop are 3 feet long. The area of the desktop is 15 square feet. What's the perimeter of the desktop

Combine like terms. 8y2 + 8 (4y2 - 7) =