Full marks is 75.
Explanation:
Let's set up a proportion to better understand the problem
80% 100%
----- = ----
60 ?
Since we want to know what is FULL, we know we have to find 100%. Now, to get from 80 to 100, we multiply by 1.25 (100/80 = 1.25. After we know that, all we have to do is do the same to 60. So we multiply 60 by 1.25 as well, to get 75. Therefore, full marks is 75.
D. a piece of a line that starts at the endpoint and extends indefinitely in one direction
think of an arrow with a dagger on one end! :)
It would be the third option :)
200 x 5 = 1000
1210 x 3 = 3630
3630 + 1000 = 4630
She bought 5 coach tickets and 3 first class.