yes sure, i learned this before so
1. a. make a proportion here, of percentage.
if you cross multiply and divide you get 90%.
1. b. obviously the empty seats would be 10%.
2. a. proportion again,
cross multiply then divide you ge 15%
3. 30% in decimal form is 0.3. multiply it then to the total amount, so 0.3 x 15 = 4.5
Radius would be 19.9151730644
3X-8=-4X+6 7X-8=6 7X=14 X=14\7=2
A. 100/20
The distance in meters should be divided by the time in seconds to get the value of the distance in meters travelled in one second.