Oscar had 1030 portable speakers and some cameras in his shop. After selling 271 portable speakers and buying another 121 cameras, he had the same number of portable speakers and cameras. How many cameras did Oscar have at first?
|
Portable Speakers |
Cameras |
Before |
1030 |
? |
Change |
- 271 |
+ 121 |
After |
759 |
759 |
Number of portable speakers in the end
= 1030 - 271
= 759
Number of cameras that Oscar had at first
= 759 - 121
= 638
Answer(s): 638