What
is the sum of all even integers between 0 and 1000?
The
New Yourk City Sales Tax is 8.5 %. Using the concept of a variable, express
this in a mathematical equation. [Hint: what changes from one purpchase to another
is the price.]
The
distance traveled by a free falling object is given by the relationship: d=5t2
where d is the distance in feet and t is the time in seconds. How long does is
take for an object falling from a 200 feet high building to hit the ground?
Find
the largest prime number that can be written as a sum of two prime numbers and
a difference of two prime numbers.
A
boy is 4 feet 8 inches tall. If he could walk around the rearth along the
equator, and if the equator were a circle, the top of his head would travel
farther than his feet. How much farther?
A
father’s age is three times the sum of the ages of his two children. In four
years, he will be twice as old as the sum of their ages. How old is the father?
What
number is doubled when two thirds of it is added to 36?
Extra
challenge No. 8
A
dealer bought two truckloads of goods. If the dealer sold two thirds of the
truckload for three fourthes of the amount that she paid for the truckload and
if she could sell the entire truckload at this rate, what percent profit did
she make?