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Debora [2.8K]
3 years ago
11

Rehana has some money after she spend Rs15 she has Three quarter of the initial amount left the amount left is

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
6 0

Answer:

Amount left = Rs 45

Step-by-step explanation:

Let the initial amount be x.

Translating the word problem into an algebraic expression, we have;

x - 15 = \frac {3}{4} * x

x - 15 = \frac {3x}{4}

Cross-multiplying, we have;

4(x - 15) = 3x

4x - 60 = 3x

Rearranging the equation (collecting like terms), we have;

4x - 3x = 60

x = Rs 60

Next, we find the amount left;

Amount left = 60 - 15

Amount left = Rs 45

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What is the value of x?<br><br> What is the value of y?
Lana71 [14]

Answer:

The answer to your question is x = 24 and y = 12

Step-by-step explanation:

Data

ED = x                       HJ = 18

DF = 16                     JG = y

EF = 20                     HG = 15

Process

1.- Find x

Use proportions to find it

                 ED/EF = HJ/HG

Substitution

                 x/20 = 18/15

Solve for x

                  x = 20(18/15)

                  x = 360/15

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2.- Find y

                JG/JH = DF/ED

Substitution

                y/18 = 16/24

Solve for y

                y = 18(16/24)

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3 years ago
What is 65(-20) equals and the other one
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Letter a is equal too -1300
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svetoff [14.1K]

Answer:

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Step-by-step explanation:

This is easy...

38 + 56 = x

94

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180 - 86 = 94

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\pm5i

Step-by-step explanation:

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