100 is 25% of what number?

Answers

Answer 1
Answer: 400

100 divided by .25 equals 400
think of 25% of 100 which is 400, so 100 x 4 =400
Hope this helps
Answer 2
Answer: 100 is 25% of 400
You could just divide 400 by .25 which you get 400 and to check your answer, you could multiply 100x4 which equals 400

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X/25 = 3/4 , What dose x equal
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Given that a student prefers fiction novels, what is the probability that they are also in 10th grade (52 10th graders) out of 107 students
at a supermarket , Monica paid 3.20 for 2 pounds of apples and 2 pounds of oranges, while Sarah paid 4.40 for 2 pounds of apples and 4 pounds of oranges. At these rates, what is the cost , in dollars, for 3 pounds of oranges?

Jodi bought some shirts for $6 each Marge bought some shirts for $8 each the girls spent the same amount of money on shirts . What is the least amount they could have spent.

Answers

So basically you find the least common multiple.
Which is $24
6:1,2,3,4,6,12,18,24
8:1,2,3,8,16,24

at the theater one section of seats has 8 rows with 12 seats in each row .in the center of each of the first 3 row are 4 broken seats that cannot be used .how many seats can be used in the section

Answers

You do 8 times 12 and that equals 96 and then you do 96 - 4 to get 92.

What's...factorise: 25x²-y²?

Answers

Factorising an equation is putting it into bracket form.
This has square numbers and so needs double brackets

(5x - y) (5x+y)
If you then check this by multiplying the brackets out again you will get:
 5x^2 - 5xy + 5xy - y^2

The positive and negative 5xy's cancel each other out and you are left with its original form. Your answer is
(5x - y) (5x+y)

You buy a bicycle helmet for $22.26, which includes 6% sales tax. The helmet is discounted 30% off the selling price. What is the original price

Answers

If you paid $22.26 after the discount and tax then 30% is 0.30 and 30% OFF is 1-0.30=0.70
Tax is 6% or 0.06 and along with the initial is 1+0.06=1.06 so P is original price in P×0.70×1.06=22.26
P×0.742=22.26
P=$30 was the original price

Answer:

$30

Step-by-step explanation:

$30

What is 3x+45 what is the value of x

Answers

The value of X is 15.

3X=45
3     3
x=15

The answer would be 15 because 15 multiplied by 3 is 45

Margaret is treating her best friend to a birthday dinner. Before ordering, Margaret wants to have an idea of the final bill. The order includes one appetizer for $6.50, two main courses for $15.75 each, two drinks for $2.25 each, and two desserts for $7.25 each. Round each amount up to the nearest whole dollar to find an overestimate of the total cost.

Answers

Answer:

$31

Step-by-step explanation:

$6.50 = $6

$15.75 = $16

$2.25 = $2

$7.25 = $7

$6 + $16 + $2 + $7 = $31