The students in HIT Middle School had a math test. There are forty students who got excellent marks in the test. The number of the students who got passing grades is ______ according to the following four statistical indicators(统计的指标)。
Item
|
Full mark
|
Excellent
|
Passing
|
Low
|
Rate(比率)
|
0.25%
|
10%
|
75%
|
5%
|