In a survey, a group of students are asked their favorite sport. 18 students chose "other"Football- 37.5%
Baseball- 40%
Other-?%

How many students participated?

How many chose football?

Answers

Answer 1

Answer: so assuming that each student chose only one sport or 'other', add the percents and subtract from 100
37.5+40=77.5
100-77.5=22.5
22.5%=other
18 students=22.5%
divide both sides by 22.5
0.8=1%
therfor
100%=80
80 students participated

futbol=37.5% of 80=0.375 times 80=30
30 picked football

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W+1/8 =8 plzz help me i need it

Answers

Answer:

w = 7 7/8

Step-by-step explanation:

w + 1/8 = 8

First, subtract 1/8 from both sides of the equation

w + 1/8 = 8

- 1/8 - 1/8

w = 7 7/8

Answer:

$w = (63)/(8)$

alternativeforms:

$w= 7 (7)/(8), \: or \: 7.875$

step-by-stepexplanation:

$w + (1)/(8) = 8 \n subtract \: (1)/(8) \: from \: both \: sides \n \n w = (63)/(8)$

What is (1/3b)^3 simplified?

Answers

The answer is 1 2/7b.
1/3b multiplied by itself 3 times is 1 2/7b.

24 written as a percentage

Answers

Any number is equal to that number over 1

So x is equal to x/1

Same thing with 24. 24 = 24/1

To get it into percent we multiply by 100 so:

$\sf{(24)/(1)=(24*100)/(1*100)}$

And simplifying that we get

$\sf{(2400)/(100)}$

And x/100 = x%

so 2400/100 = 2400%

So your answer is 2400% :)

While on vacation in Weston, Roscoe went out for a dinner that cost $90. If sales tax in Weston is 10% and Roscoe left a 20% tip on $90, what was the total cost of the meal?

Answers

Answer: $107

Step-by-step explanation:

Tip = 20 % of $90

= 20/100 × $90

=$18

Sales tax at 10% = 10/100 × $90

= $9

Total cost= $90 + $18 + $9

= $107

Answer:

117

Step-by-step explanation:

90 times 1.1 (the 1 is for the total amount which is ninety and the .1 is for 10% because you have to move the decimal over 2) is 99

90 times .2 equals 18

you then add 99 to 18 and the answer is 117

how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am

Answers

First, change everything into minutes.
12 noon is 12 by 60 which = 720 minutes.
9am is 9 by 12 which = 540 minutes.
X is now your number of minutes before noon.So noon - x is the next step:
720 - x
20 minutes ago it was 720 - x - 20
720 - x - 20= 540 + 3x (3x because you're looking for 3 times as many minutes)
720 - 20 - 540=4x (you combine all the like numbers and variables)
160 = 4x
160/4= x
40 = x
Your answer is 40 minutes

How can i divide 3 divided by 681