Adam has 100 marbles.
Bryan has 90 marbles.
- What is the difference in the number of marbles between Adam and Bryan?
- How many marbles must Adam give away to be the same as Bryan?
- How many marbles must Bryan get to be the same as Adam?
(a)
Difference in the number of marbles between Adam and Bryan
= 100 - 90
= 10
(b)
Bryan has 90 marbles.
So, Adam gives away some marbles to be the same as Bryan.
Number of marbles that Adam must give away
= 100 - 90
= 10
(c)
Bryan has 90 marbles.
So, Bryan must get more marbles to be the same as Adam.
Number of marbles that Bryan must get
= 100 - 90
= 10
Answer(s): (a) 10; (b) 10; (c) 10