What is the situation from the problem
The slope-point form of a line:

The slope-intercept form of a line:

1.

Substitute

2.

Substitute

3.

4.

.25 or 1/4
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Answer:
10% of choosing a 7th grade boy.
50% of choosing 8th grade boy
Step-by-step explanation:
A proportion<span> is a name we give to a statement that two ratios are equal. It can be written in two ways: two equal fractions, or, using a colon, a:b = c:d.</span>