2 years ago

One number is 3/8 of another number. The difference of the two numbers is 4.2. What is the lesser number

Mathematics

1 answer:

boyakko [2]2 years ago

4 0

Answer:

2.52.

Step-by-step explanation:

If one number is x then the other = 3x/8.

Also x - 3x / 8 = 4.2

x - 0.375 x = 4.2

0.625x = 4.2

x = 4.2 / 0.625

x = 6.72.

So the lesser number is 6.72 * 0.375 = 2.52.

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