My friend Gus guessed that his riddle was about the number 47. Why can't 47 be the answer to Gus' riddle? Explain.

The college of arts and science at delta university has nine departments. the number of faculty in each department is shown below. what is the mean number of faculty in the college of arts and science? 8, 12, 9, 15, 17, 11, 13, 14, 7

Frank works in the supply room of a law firm. At the beginning of the month, he had 21 boxes of pens with 13 pens in each box. At the end of the month, there were 45 pens left. How many pens did he give out over the month? A. 273 B. 318 C. 228 D. 79

A clerk's weekly salary of $320 is increased to $360. the percent increase is

Jordan is designing the battery box for his high school solar car team. He needs the height of the box to be 10 inches in order to accommodate the batteries. The length of the box will be 14 inches more than the width.

Suppose you earn $10.30 per hour and work 24 eight-hour days in a month. How much do you earn in that month?

What is the simply interest. principal $ 300, rate 6.8 % time half a year 6 months

5.25 inton a mixed number

Audreys Candy Store sold 22 individual pounds of jelly beans, one kind at $3.87 per pound and the other at $0.94 per pound. In all, $29.47 was taken in for the two types of jelly beans. How many pounds were sold?

Sean has $65 to spend on CDs. If each CD costs $6.98, about how many CDs can he buy?

You survey 200 people about the electronics they own. The results show that 33/40 people own a cell phone. Of these people, 10/11 also own an MP3 player.