3. The survey, it was found That 80% liked orange and 85% liked mangoes and
75% liked both. But 45 people like
non of them. By drawing a venndiagram
find the number of people who were in the survey

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

1. 2

2. 11

3. 5

4. 6

5. 7

6. 5

7. -1

8. 1

step-by-step explanation: