At the school fair, 70% of the people are under 16 years old. One third of the people remaining are teachers. If there are 21 teachers at the fair, how many people are there at the fair total?

If $5,200 is invested at a rate of 8.6% compounded quarterly, how long will it take, to the nearest hundredth of a year, until the investment is worth $11,600?

The formula d = rt gives the distance traveled in time t at rate r. A bicyclist rides for 1.25 hours and travels 32 miles.

Ty takes one hour to read 35 pages, 2 hours to read 70 pages, and 3 hours to read 105 pages if the relationship is not proportional, explain?

Ada writes 10 + 8 = 18 on the board. to use the commutative property of addition to rewrite ada's addition sentence. what number sentence should maria write?

Write this number in standard notation. 1.986 x 10^6

A circle's diameter is 22 inches. What is the circle's circumference

You grew 3.8 inches since last year. If you are 61.2 inches tall now, how tall were you a year ago? Write and solve an equation.

A square and rectangle have the same perimeter. The rectangle is 13 cm long and 7 cm wide What is the length of a side of the square

What do 20% off the regular price mean?

a box is 24cm by 15cm by 10cm. this box will packed with smaller boxes of paper clips which are 6cm by 3cm by 5cm. what is the largest number of boxes of paper clips that will fit in the bigger box?