Solve for r:d=rR2/R2+R1

Your family is on a ski vacation. Lift tickets for the family costs 80$ per day. Snowboard rentals cost 40$per day. You purchase lift tickets for x days and snowboards rentals for y days and spend 480$.

3 (bx - 2ab) = b (x - 7a) + 3ab solve for x

Brian has $88 and he saves $3.50 a week how many more weeks will it take him to get to 200

a certain recipe calls for 3 2/3 cups of sugar. If the recipe is to be doubled how much sugar should be used?

Jason eats 10 ounces of candy in five days how many pounds does he eat per day

The sum of two numbers is 46. The smaller number is 18 less than the larger number. What are the numbers?

Is p=7 a solution of the equation 4p - 5 = 16

A father and son are digging a garden that is 7 feet long and 5 feet wide. the father, working alone, can dig the garden in 3 hours. the son can do the job in 4 hours.

What is 3060 divided by 36?

In the local coed softball league the male to female ratio is 6:6 if there are a 160 players in the league how many are female