kishahall1627 kishahall1627

25-07-2022
Mathematics

contestada

I think of a number. i add 7 to it and then divide by 10. my answer is 3.8. what number did i start with

Respuesta :

nadovezasergej nadovezasergej

25-07-2022

Answer:

31

Step by step:

You need to do it in reverse:

Devidng Becomes multiplying so its 3.8x10=38

Then same for this + = - do its 38-7=31

So answer is 31

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