25 is 32% of what number?
Answers
The value of the unknown number is 78.125.
What is the value of the unknown number?
Given the parameter in the question:
25 is 32% of what number?
Let x represent the value of the unknown number,
Translating into an equation:
32% of x = 25
Note that: 32% is the same 32/100
Hence:
32/100 × x = 25
Multiply 32 and x:
32x/100 = 25/1
Next, cross multiply:
32x × 1 = 100 × 25
32x = 100 × 25
Multiply 100 and 25
32x = 2500
Divide both sides by 32
x = 2500/32
x = 78.125
Therefore, the value of x is 78.125.
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If 25 is 32%, then x is 100%:
25/32 = x/100
25*100 = 32*x
x = 25*100/32 = 78.125
To check the solution: 78.125*(32/100)=25
For this kind of question you just have to multiply times 100/percentage, that's what you always arrive to with the cross multiplication.
So if they asked you, 50 is 25% of what? You'd do 50*(100/25) = 200.
It's the reverse of finding the percentage of a number.
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18-4x= -2
Can anyone help?
Answers
- - Now you have top subtract 18 from both sides.
- - Solve:
- - And divide both sides by -4.
- - Solve:
18 - 18 - 4x = -2 - 18
which would be
-4x = -20
then u would divide 4 on bothe sides
-4x/4 = -20/4
which would give u
- x = - 5
this is the answer for the negative x
for positive u would flip the answer
so
x = 5 which then = 4
x=5 is ur answer
hope this helps or u understand wat im sayin
A. There are 5 sixth-grade classes with 24 students each and 3 sixth-grade classes with 25 students each.
B. There are 7 sixth-grade classes with 24 students each and 1 sixth grade class with 25
students.
C. There are 8 sixth-grade classes with 25 students each.
D. There are 8 sixth-grade classes with 24 students each
Answers
Answer:
D
Step-by-step explanation:
You just have to round the decimal
Answers
-rose (https://cherry-bomb03.webnode.com/)
Answer: x=21
Step-by-step explanation:
add 3 to both sides -7/3x-3+3 = -52+3
simplify -7/3x = -49
multiply both sides by 3 3(-7/3x) =3 (-49)
simplify -7x= -147
divide both sides by -7 -7x/-7 = -147/-7
then simplify x=21
Answers
Answer:
Step-by-step explanation:
Area of circle = πr²
= 3.14 * 12 * 12
= 452.16 sq. cm
Answers
Final answer:
To find the number of 4th graders at school on a day when 15 were absent, subtract the number of absent students from the total number of students. In this case, the answer is 89.
Explanation:
In Allison's school, there are 104 students in the fourth grade. One day, 15 fourth graders were absent. To find out how many fourth graders were at school that day, you would subtract the number of absentees from the total number of students:
Step 1: Start with the total number of students, which is 104.
Step 2: Subtract the number of absent students, which is 15.
The calculation should look like this: 104 - 15 = 89. So, there were 89 fourth graders at school that day.
To find the number of 4th graders at school on the day 15 were absent, subtract the number of absent students from the total number of students. In this case, there are 104 students in the 4th grade and 15 were absent, so the number of students at school that day is 104 - 15 = 89.
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Answers
Answer:
Answer is 18x
Answer:
18 + x
Step-by-step explanation:
Eighteen increased by x
18 increased by x means
that x is added to 18