Hello!
You have to find 45% of 2,920
First change 45% to a decimal
To change percents to decimal, remove the % sign and add a decimal point 2 places to the left.
45% = 0.45
<em>Now multiply</em>
0.45 × 2,920 = 1,314
There are <u>1,314 </u>advertising pieces
Step-by-step explanation:
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Since we are given that the relationship between x and y
is linear. Therefore this means that the given equation takes the form of:
y = m x + b
where,
b is the y intercept of the equation
m is the slope of the equation
However we should take note that the slope m is directly
proportional to the coefficient of correlation. Since our coefficient of
correlation is negative, this only means that the value of y is decreasing with
increasing x, hence plot of y and x is descending with increasing x.
Furthermore, this also tells that for every 1 unit increase of x, there is a
0.75 units decrease of y.
You're going to set up a proportion. % over 100 = is over of. You're looking for the percent so that's your x. X over 100=7 over 25. Cross multiply to get 25x=700. Divide both sides by 25 and your answer is 28%
Multiply both sides by 19 to get w=171
