50%. students (in percent) who passed the second exam also passed the first exam.
Let's imagine that there are 100 kids in the teacher's class. We know that 40 of them passed BOTH tests, and 80 passed the second test.
Because if they weren't, they wouldn't have passed the first test and consequently wouldn't have passed both, we can be sure that the group of students who passed BOTH tests is only made up of the 80 who passed the second test.
Thus, both tests were passed by 40 of the 80 pupils who passed the second one:
40/80 = 1/2 = 50%.
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Okay so this took some time but
you need 1 more cup.
in each cookie there is 1/9th of a cup so to make 45 cookies you need 1 more cup. WE COULD BE COMPLETELY WRONG
Answer:
92.8 km
Step-by-step explanation:
s=d/t
58=d/1.6
58*1.6=d
92.8=d
Answer:
60%
Step-by-step explanation:
There was a total of 3000 people and of those 3000 people only 18 had a mild allergic reaction.
18/3000 × 100 = 60%
If the ratio is 5-7... this means there are more consonants