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3 years ago

Find the number if 3/5 of it is 30

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

7 0

Answer:

Step-by-step explanation:

$\frac{3}{5} = \frac{30}{a}$

cross multiply, so 3a= 30x5

simplifies to 3a= 150

a = 50

arsen [322]3 years ago

6 0

Answer:

The number is 50

Step-by-step explanation:

Use x to represent the unknown number

x(3/5) = 30

3/5x = 30

Multiply both sides of the equation by 5/3

5/3 * (3/5x) = 30/1 * (5/3)

x = 150/3

x = 50

The number is 50

Hope this helps :)

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