There were 31 more grey smoothed stones than brown smoothed stones in a bag. Another 90 grey smoothed stones and 33 brown smoothed stones were put into the bag. How many more grey smoothed stones than brown smoothed stones were there in the end?
| |
Grey |
Brown |
| Before |
1 u + 31 |
1 u |
| Change |
+ 90 |
+ 33 |
| After |
1 u + 121 |
1 u + 33 |
Number of grey smoothed stones in the end
= 1 u + 31 + 90
= 1 u + 121
Number of brown smoothed stones = 1 u + 33
Number of grey smoothed stones more than brown smoothed stones in the end
= 121 - 33
= 88
Answer(s): 88
