DOM 33 

7. Two racers are each wearing three-digit numbers. The difference between their numbers is 378. The sum of the three digits of each person’s number is 12, and neither person has any of the same digits worn by the other. Neither person is wearing a zero.

What are some possibilities for the number the two racers are wearing?

 

Simplify the following fractions
8.      45/50 9.      30/35
10.     32/44 11.    12/16
12.      6/8 13.    10/15
 

 

 

 

 

 

 

 

 

 

615 and 237
651 and 273
912 and 534
921 and 543