The sum of a number and twenty-one is sixty-four. what is the value of the number?

Charlotte reads 8 1/3 pages of a book in 10 mins. What is her average reading rate in pages per min.

I am standing 10 feet from a wall. I will begin to walk toward the wall and my first step is 4 feet. Each succeeding step is exactly one half the distance of the prior step. So my next step would be 2 feet, then 1 foot etc.

A spool of thread contains 150 revolutions of thread. the diameter of the spool is 3 centimeters. find the length of the thread

A triangle's area is given by the expression 3x2 - x + 12. The height is 6x. The base of the triangle is the quotient of the area and of the height. Which expression represents the base of the triangle? x - + 4x + 4x x -

Mark has 30 cd's. 40% are country music. 30% pop music. How many CDs are other types of music?

The Bundle family is traveling a total of 1,905 miles from their home to Florida for a summer vacation. They traveled 454 miles on Saturday, and 234 miles on Sunday. How many more miles do they have to travel to arrive in Florida?

Ashura has $50 in her savings account and deposits an additional $15 each week. Write an equation to model her savings, s, and solve for how many weeks it will take her to earn $110.

Kira, Bill, and Michael served a total of 134 orders Monday at the school cafeteria. Michael served 3 times as many orders as Kira. Bill served 9 more orders that Kira. How many orders did they each serve?

If x=7and = -2, determine the value of 6x-4y

Kitchen Length - 4cm Width - 3.5 cm. They both use the scale 1 cm : 1.5 m What were the original sizings of the length and width?