.1)If the average of 6 numbers is 21 ½, what is the average of the first 5 numbers?

2.)The sum of 3 consecutive integers is 549. What is the middle number?

3) When a number is added to 4 times itself the result is 16 more than the number?

4.) The average of 7 numbers is 39. Two of the numbers whose sum is 83 are removed. What is the average of the remaining numbers?

5.) In a 100-item test, Ricky didn’t answer 6 questions. His number of correct answers is 4 more than 4 times his mistakes. How many correct answers did he get?

6.) The average of 12 numbers is 54. If 65 and 85 are added to the set, what will be the resulting average?

7.) The sum of two numbers is 157. One number is 17 more than the other. Find the product of the two numbers.

8.) Pat ate a total of 100 peanuts over a period of 5 days. Each day she ate 6 more peanuts than on the previous day. How many peanuts did Pat ate at the first day?

9.) Two numbers when added together gives you 246. The larger number is 24 less than twice the smaller number. What are the two numbers?

my solutions

1) 21.5 2) 183 3) 4 4) 38 5) 76 6) 57 7) 6090 8) 8 9) 90, 156