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What percent of 200 is 80?
80/200 x/100 % 8000%/200 x x 40% 40%
How long will it take to drive a car 125km at a average speed of 75km per hour?
time = distance / speed time = 125/75 = 1.66 hours = 1 hr 40 min
Why do you cross multiply and divide to solve Proportions?
since the cross multiples are equal, you find a product and use the inverse operation as you would in an equation Example 4 is to 36 as 3 is to X: 4/36 = 3/X --> 4*X = 3*36. Divide both sides by 4, to solve for X = 27. is over of = percent of 100 is/of=%/100 What is 10% of 40. is = x x/40 = 10/100 cross mulitply 40*10= 400/100=4 x=4
What is the solution to -x equals -40?
x = 40
Solve 4y equals 2y plus 40?
4y = 2y + 40 4y - 2y = 2y -2y +40 2y = 40 y = 20 check 4(20) = 2(20) +40 80 = 80
40 percent of 25 student are boys how many boys are in the class?
40 percent of 25 students is 10.
What does 40 percent mean?
40% = 0.4
Is 9th class 40 percent marks are added in 10th class result?
60%
Which class made up 5 percent of the population but controlled 30 percent - 40 percent of wealth?
The Elite
50 students are in a class 20 percent of them werent there how many students went to class?
40
Although they made up 5 percent of the population in the early 1900s which class controlled 30-40 percent of the wealth?
The middle class (or bourgiousi)
How many pupils will represent 20 percent of a class of 40?
8 pupils
If p is 40 percent of q then q is what percent of p?
For this problem, assume q is 100. So, if p is 40 percent, that would mean 40/100 which equals .4 or 40 percent. So, 100/40 equal 2.5 or 250 percent. If p is 40 percent of q, then q is 250 percent of p.
What is the percent 40 of 75 percent?
if you mean 75% of 40: 75% equals 3/4 so 3/4 of 40 is 30; or 30/40
The 12 boys in Mr Stiller's class make up 40 percent of the class How many students are in Mr Stiller's class?
30
There are 30 students in Mrs Star's class 40 percent of the students are females How many females are in Mrs Star's class?
12 40/100 of 30 = 12
Which class controlled 30 to 40 percent of the wealth in the early 1900s?
New elite
