John is saving $6 a week. He has already saved $28. How many weeks will it take John to reach his goal of $100?

12 weeks

Step-by-step explanation:

If John is aiming to save $100, with $6 a week and he has already saved $28. The leftover amount to be saved is $100 - $28 = $72

In one week → $6

2 weeks → $12

3 weeks → $18

and so on..

John will need 12 more weeks to save a total of $100.

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225