The average age of a group of friends is 27. if the sum of their ages is 324, how many friends are in this group?

150,000 is 70% of what number?

Markus receives dollar bills from his grandfather for one week. no the first day he received 1$; no the second day he received 2$, no the third day he received 4$, and on the fourth day he received 8$.

A jar contains four blue marbles, three red marbles, and two white marbles. What is the probability that a marble randomly selected from the jar will be a white marble? A. 11.1% B. 22.2% C. 28.6% D. 50.0%

Sam completed 2/3 of Wednesday's crossword and 1/3 of Thursdays crossword. In total, what fraction of the crosswords did Sam finish?

A book store is having a 30% off sale diary of a wimpy kid books are now $6.30 each what was the original price of the books

Miriam's house has a market value of $125,000. The tax accessor evaluated her property tax rate to be 42%. What is the assessed value of Miriam's house? Use the formula: Assessed Value = Market Value x Rate.

A set of data with 100 observations has a mean of 267. There are six outliners in the data set, which have a mean of 688 if the six outliners are removed, what is the mean of the new data set?

The minimum temperature for a particular day was 4 Fahrenheit below 0 the maximum was 16 Fahrenheit higher what was the maximum temperature

The top of a bench has a length of 5ft and a width of 2ft. A second bench is similar to the similar to the first bench. The top of second bench is 3ft wide. What is the length of the top of the second bench?

3y+10x-54=0 5y-2x-34=0