Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take bus to school. How many students do not take t
1 answer:
There are 30 students who do not take the bus to school.
Further explanation:
Given
Boys in class=15
Girls in class = 35
Total strength of class = 15+35 = 50
In order to find the number of students who do not take the bus to school, we have to calculate first that how many students take the bus to school
So,
There are 20 students who take the bus to school.
Now,
Hence,
There are 30 students who do not take the bus to school.
Keywords: Percentage, Word problems
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Answer:
AFCE = 30
P+Q = 11
Step-by-step explanation:
From the picture, you can see the figure can be decomposed into two identical large triangles with area 20, and 4 identical longer ones, that have to cover the remaining area 40, thus 10 each.
From that you can count the area.
Second puzzle is just trial and error.
Answer:
<u>900</u> black and white copies are printed.
Step-by-step explanation:
Given:
For every 9 black and white copies printed there are 2 color copies printed.
If there are 200 color copies printed.
Now, to find the number of black and white copies are printed.
Let the number of black and white copies printed be
As given, for every 9 black and white copies printed there are 2 color copies printed.
So, 9 is equivalent to 2.
If there are 200 color copies printed.
Thus, is equivalent to 200.
Now, to solve by using cross multiplication method:
<em>By cross multiplying we get:</em>
<em>Dividing both sides by 2 we get:</em>
Therefore, 900 black and white copies are printed.