How much water should be added to 30 liters of a 40% acid solution to reduce it to a 30% solution

Lisa finds a hat that this already marked down. the price tag shows that the original price was $36.00. the marked down price is 27.00. what percent has the hat been marked down? explain

JK, KL, and JL are all tangent to circle O. JA = 3, JL = 7, and the perimeter of triangle JKL = 26. What Are JK and KL? A) JK=3, KL = 7 B) JK=9, KL=10 C) JK=6, KL=6 D) JK=10, KL=9

What is the estimated quotient of 198.4 divided by 21

Which expression is equalvient to 3x/x+1 divided by x+1

A cylindrical container with a radius of 5 cm and a height of 14 cm is completely filled with liquid. Some of the liquid from the cylindrical container is poured into a cone-shaped container with a radius of 6 cm and a height of 20 cm until the

This circle graph shows where students in two sixth-grade classes volunteer after school. Fifty students were surveyed. What percent volunteer at the animal shelter? Animal shelter: 11 Library:6 Nursing home:19 Hospital:14

3x-10+25+x+15=180 degrees

A shirt company has 4 designs each of which can be made with short or long sleeves. there are 6 color patterns available. how many different types of shirts are available from this company

If Tara spends 219 a month for her car payments and she makes 3200 a month what percent of her monthly income is spent on her car payment

How do you add two intergers if they have the same sign?