Respuesta :

It is 57  

Because 5 tens becomes 50 and 3 ones less than ten becomes 7 so the answer is 57

Hope that I could help you

We want to get a 2-digit number with the given properties, we will see that the number is 52

How to write a 2-digit number?

We can simply write it as:

a*10 + b

Where a and b are two integers from 0 to 9, such that a is the "tens digit" and b is the "ones digit"

Now we know that our number must have 5 tens, so a = 5.

And 3 less ones than tens, so: b = 5 - 3 = 2

Then the number is:

5*10 + 2 = 53

If you want to learn more about constructing numbers, you can read:

https://brainly.com/question/6073907

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