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Makovka662 [10]
2 years ago
12

In a certain classroom, the ratio of boys to girls is 2 to 1. If there are 39 students in the classroom, how many are boys?

Mathematics
1 answer:
weeeeeb [17]2 years ago
8 0

Answer:

26 boys

Step-by-step explanation:

boys : girls = 2 : 1

If girls = x, than boys = 2x.

Altogether girls and boys = (x+2x) = 3x

Altogether girls and boys = 39

3x = 39

x = 39/3 = 13 (girls)

2x = (2*13) = 26 (boys)

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A number is 2 hundreds more than 355, what is the number?
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Determine the number of ways a computer can randomly generate one or more such integers from 1 through 30. Two distinct integers
Thepotemich [5.8K]

Answer:

There are 26 possible way to determine two  distinct integers whose sum is 27.

Step-by-step explanation:

To find : The number of ways a computer can randomly generate one or more such integers from 1 through 30. Two distinct integers whose sum is 27.

Solution :

We have given the numbers from  1,2,3,4......,29,30.

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Read 2 more answers
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