Here's link to the answer:
cutt.us/tWGpn
Answer:
510
Step-by-step explanation:
(0.68)750
shift decimal places
510.00
refine:510
A rational number would be 81/10 or 8.1
<span>To solve this problem you must apply the proccedure shown below:
1. You have the following information given in the problem above:
- There are 75 classmates.
- 56% of his 75 classmates like salsa music and 80% of his 60 relatives like salsa music.
2. Therefore, you have:
- Number of his classmates that likes salsa music:
75x0.56=42
- Number of his r</span>elatives that like salsa music:
60x0.80=48
3. Then you have:
48-42=6
Therefore, the answer is: 6.