3 years ago

If 45 cookies will serve 15 students how many cookies are needed for 30 students

1 answer:

5 0

Well 15x2=30 and 45 cookies will serve 15 student and you nee to serve 30 students. So you need to multiply 45x2 because 15x2=30.
1
45
x
2
90

so 90 cokkies are needed to serve 30 students.

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100 is divisible by which of the following numbers 2,3,4,5,6,9 or 10?

pochemuha

The correct answer is B: 2,4,5, 10

We know that 100 is not divisible by 3 because 100/3 is 33.33 repeating, which is an irrational number.

We also know that 100 is not divisible by 6 because 100/6 is 16.66 repeating which is also an irrational number.

100/2=50 (rational)
100/4=25 (rational)
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100/10=20 (rational)

Hope this helps!

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