The difference between three times a number and 15 is equal to 6. Find the number

Kate has 21 coins (nickels and dimes) in her purse. How many nickels and dimes does she have if she has $1.50?

1/8 (5y+64) = 1/4 (20+2y)

The average of a set of 6 numbers is 42. The average of another set of 8 numbers is 28. What is the average of the 14 numbers?

What does approximately mean in math

What does 12.5 to square root

a swimmer swims 4/5 of a mile in 1/2 hour. at this rate how many miles can the swimmer swim in an hour

What is the equation of a line that goes through (9,-1) and is perpendicular to line 2y-3x=8

24% of students in a class are girls. If there are less than 30 students in this class, how many students are there? How many girls are there?

a dog weights two ponds less than three times the weight of a cat. the dog also weights twenty two pounds than the cat. write and solve an equation to find the weights of the dog and the cat.

Product A is 8oz bottle of cough medication that sells for 1.36 Product B is a 16 oz bottle of cough medication that cost 3.20 which product has the lower unit