remainder

If x is divided by 9, the remainder is 5. What is the remainder if 3x is divided by 9? pick an integer x where when dividing by 9, we get a remainder of 5. 14/9 gives us a remainder of 5. Now multiply 14 by 3: 14 * 3 = 42 42/9 gives a remainder of 6

9 friends brought 178 tickets How many more ticket would they have to buy for all of them could have the same amount? If we take 178 mod 9 to find the remainder, we get 7. If we buy the 7 more (remainder) tickets, we have: 9 friends - 7 remainder = 2 tickets To prove our work, we add the 2...

A pound of popcorn is popped for a class party. The popped corn is put into small popcorn boxes that each hold 120 popped kernels. There are 1,600 kernels in a pound of unpopped popcorn. If all the boxes are filled except for the last box, how many boxes are needed and how many popped kernels...