Question 4: true!
question 5: i would say lifting weights is the correct answer.
3: opiates, came along in the 19th century..was widely used during the civil war as well..
The pinna is part of the external ear.
So we know that 40% of the 35 males are wearing sungalsses
40%=40/100=2/5
'of' means multiply
2/5 times 35 malses are wearing sunglasses
70/5=sunglasses
14=sunglasses
so 14 out of 56 to percent
14/56=0.25
answer is 25%
