When 80% of a number is added to the number, the result is 216. What is the number

What is the value of 0.812

3. TU = 2x, UB = 3x + 1, TB = 21

5x2?. Is equal to 6*2

Find the greatest common of 75, 8, and 21

Carol constructed a cube and marked each face with a number. She marked the faces with the numbers 1, 2, 2, 3, 3, and 4. If she rolls the cube twice, what is the probability that the sum of the numbers will be exactly 7?

A Television nanufacture sells 21 of TV model at$299 each, 13 of TV Model B at $549 each and 8 of TV Model C at $619 each. Find tge average price per TV Sold.

Jennifer currently brings in an annual salary of $65,000 and anticipates a raise of 5% every year. What will her salary be in 5 years?

A square plot of land has a building 60ft long and 40ft wide at one corner. the rest of the land outside the building forms a parking lot. if the parking lot area is 12,000ft^2, what is the dimensions of the entire plot of land?

Tammy, Brian, and Dale have $127 in their wallets. Dale has 3 times what Tammy has. Tammy has $7 less than Brian. How much do they have in their wallets?

X/m-x/n=1/p solve for x