Complete graphing table showing janice is 7 years older than tam

                                   age (in years)
          0   1   2   3   4   5   6   7   8   9   10     
janice
tam    

3+7 is 10. this is the best i can do from the information you've given me
hope it helps!  :)

If there are four friends then each would get, 1.25 or 1 1/4. so this is how i solved 5 ÷ 4 = 1.25 . hope this ; )