4. If 90 is 30% of a number, what is 200% of the number?

If i was born in jan 14th 1984 how old am i

What the the Quotient 7/12 divided by 2/5

You increase the size of a computer screen display by 20%. Then you decrease it by 20%. What is the size of the computer screen display now?

Aida read 15 pages in her book on Monday. She read 3 times that amount on Tuesday. On Wednesday she read 2 times the amount of both Monday and Tuesday combined. How many pages did she read on Wednesday night?

A psychological study found that men who were distance runners lived, on average, five years longer than those who were not distance runners.

In triangle MNO, MN = 20 units, NO = 15 units, and MO = 18 units. What is the approximate difference between the largest and smallest angle measures?

Find the consecutive even integers such that their sum is equal to the difference of three times the larger and two times the smaller

Find the slope of the line that passes through 10,5 and 2,2

Which algebraic expression models the given word phrase 6 times the sum of a and b

A parallelogram with an area of 211.41 m2 has a base that measures 24.3m. Find it's height