Of 560 marbles in a bag, 65% are red and the rest are blue. After 28 red marbles are replaced with blue ones, how many blue marbles need to be added to the bag so that the 65% of all marbles are blue?

Liam is debating whether to use a straightedge and compass or a computer drawing program to complete a construction of a regular hexagon inscribed in a circle. Which method do you think would take the longest to complete the construction and why?

You roll two number cubes and the sum of the numbers is 10

When a number is decreased by 7.3%, the result is 60. What is the original number to the nearest tenth?

Two friends wanted to see who could ride faster in less then 3 hours. Austin rode 6 miles in 60 minutes not including a break. Carol rode 8 miles in 75 minutes. Write the ratio in simplest form.

It's elimination linear equations - x+y=-2 X+y=-8

There were 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the health requirements, so they couldn't donate. The rest of the volunteers donated 470 milliliters each.

Andy bought a box of fruit that weight 6 3/8 kilograms. If he bought a second box that weighed 7 2/5 kilograms, what's the combined weight of both boxes

A grocery store sells three different quantities of sugar. A 1 pound bag cost $1.10, a 2pound bag cost $1.98, and a three pound bag is $2.85. Describe how the unit cost changes as the quantity of sugar increases.

Alana spent 0.35 of a dollar on a ring at the arcade and 0.72 of a dollar on a snack. Did Alana spend more on the ring or the snack

Raven wants to plant 35 marigold plants, 20 zinnia plants and 15 daylily plants in her flower garden. If she puts the same number of plants in each row and if each row has only one type of plant, what is the greatest number of plants she can put in