1. 25% of 84 is 21
2. 140% of 25 is 35
3. 125% of 20 is 25
4. ?
5. The meal was $12
6a. 50 students were interviewed
6b. 18 students said they would like to learn spanish
hope that helps!! sorry about number 4, and message me if you have any questions about how i got the answers