Answer: He bought 7 pens.
Step-by-step explanation:
21/3 = 7
Answer:
Step-by-step explanation:
M is 90 degrees anytime you see that square it equals 90 and any time you see that half circle that is obtuse so more than 90 degrees and doing the math the answer to n would be around 127
Answer:
5.25 or 5 1/4
Step-by-step explanation:
2 5/8 x 2 = 5 1/4
Okay!
7/1x3/1 is 21 so 21 / .5 is 42
I think the answer is 42
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Suppose the number of students in one of the classes is :

So ;

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So :


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Compare :

Thus :

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