In one grade of 150 students, the ratio of boys to girls is 2 : 3 How many boys are in that grade?
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CHECK
75, because 150 divided by 2 equals 75
60, because of the students are boys
100, because of the students are boys
It is impossible to tell because the fraction of the students
that are boys is unknown
O

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Step-by-step explanation:

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step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have