Percent change formula states that
((New-old)/old) x 100 = the percent change / percent increase
So if we take your equation and plug it into our formula
((225-120)/120) x 100
(105)/120 x 100
.875 x 100
87.5 % increase of students on the trip
Hope this helps!
Answer:
<em><u>The</u></em><em><u> </u></em><em><u>number</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>38</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Answer:
50, 5
Step-by-step explanation:
X=number 1
x-45=number 2
x+(x-45)=55
2x=100
x=50 number 1
x-45 is number 2
50-45=5 number 2
Answer:
D. 36 units
Step-by-step explanation:
The description of the triangle is:
<em>triangle XYW in which angle W is a right angle, angle X measure f degrees, and angle Y measures d degrees
</em>
Therefore, side XY is adjacent to f and side XY is the hypotenuse
From definition:
cos(f) = adjacent/hypotenuse
Replacing:
cos(f) = XW/XY
4/9 = 16/XY
XY = 16*9/4
XY = 36 units
<span>1/2mile every 1/4 hour
</span><span>
1/2mile -------------------> 1/4 hour
??n mile -----------------> 1 hour
cross multiplication
1 x 1/ 2 / 1/4 = 2 miles
</span>