A scientist needs 15 liters of 25% acid solution for an experiment, but she only has a 10% solution and a 35% solution. How many liters of the 10% and the 35% solutions should mix to get the solution she needs?

Find the 11th term of this sequence - 2, 10, - 50

25 problems that equal 36

A coach asked two players how much water they drank before practice. Ashley said she drank 1/2 pint and Claire said she drank 0.7 pint. How many pints of water did Ashley and Claire drink combined?

The ratio of kittens to mother cats in a pet store is 6 to 1. Which of these shows the possible number of kittens and mother cats in this pet store?

Find the quotient and remainder fro 52:8?

Drag each expression to show whether the product is less than 1, equal to 1, or greater than 1. 4*1/4 4*2/9 2*2/5 8*2/5 6*1/5 5*1/4

Rewrite the equation 4x + 6y = 8 in slope-intercept form.

What is 80% of $200?

Eric is getting his mountain climbing cerificate. There are 63 days that Eric climbs for 2 hours, there are 97 days that he climbs for 3 hours. How many more hours does Eric need to climb until he earns a certificate for climbing 500 hours?

Angles that are congruent have vertical lines