150x + 400(1900-x) = 440250
150x + 760000 - 400x = 440250
250x = 319750
x = 1279
There were 1,279 children.
Answer:
2.5
Step-by-step explanation:
25 / 10 = 2.5
Check with 6in
6 x 2.5 = 15
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Step-by-step explanation:
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Answer:

Step-by-step explanation:
Notice that with the provided information they are given you not ust the slope of the line (-2), but also the y-intercept (the point where the line crosses the y-axis which happens when x=0).
So you can directly write the equation of the line in slope-intercept form [
where "m" is the slope and "b" the y-value when x=0].
Such gives us:
