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lyudmila [28]
3 years ago
5

32 is 160% percent of what number

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0
Let us assume the unknown number in the question to be = x
Then
160% * x = 32
(160/100) * x = 32
16x/10 = 32
16x = 32 * 10
16x = 320
x = 320/16
   = 20
So from the above deduction we can easily conclude that the unknown number in the question is 20. Be very careful about the calculation and the cross multiplication part of the problem. Other than that there is nothing complicated in the question.
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Answer:

<em>Each friend will get 1/10 of the sandwich</em>

Step-by-step explanation:

<em>1/2/5/1</em>

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Answer:

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8/x+9-(2/x-3)=0

Step by step solution :


Step 1 :

2
Simplify —
x
Equation at the end of step 1 :

8 2
(— + 9) - (— - 3) = 0
x x
Step 2 :

Rewriting the whole as an Equivalent Fraction :

2.1 Subtracting a whole from a fraction

Rewrite the whole as a fraction using x as the denominator :

3 3 • x
3 = — = —————
1 x
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

2 - (3 • x) 2 - 3x
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(— + 9) - ———————— = 0
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Step 3 :

8
Simplify —
x
Equation at the end of step 3 :

8 (2 - 3x)
(— + 9) - ———————— = 0
x x
Step 4 :

Rewriting the whole as an Equivalent Fraction :

4.1 Adding a whole to a fraction

Rewrite the whole as a fraction using x as the denominator :

9 9 • x
9 = — = —————
1 x
Adding fractions that have a common denominator :

4.2 Adding up the two equivalent fractions

8 + 9 • x 9x + 8
————————— = ——————
x x
Equation at the end of step 4 :

(9x + 8) (2 - 3x)
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Step 5 :

Adding fractions which have a common denominator :

5.1 Adding fractions which have a common denominator
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Step 6 :

Pulling out like terms :

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Equation at the end of step 6 :

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7.1 When a fraction equals zero ...
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Here's how:

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The equation now takes the shape :
6 • (2x+1) = 0

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7.2 Solve : 6 = 0

This equation has no solution.
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