In a 3-digit number, the hundreds digit is four more than the units digit, and the tens digit is three less than the sum of the other two digits. If the sum of all three digits in the number is 17, find the three digits. Then find the number.

773

Step-by-step explanation:

Hello,

Let's note the digit a,b and c so that the number we are looking for is a*100+ b*10 + c

a = c + 4

b = (a + c) - 3

a + b + c = 17

I replace a and b in the last equation

c + 4 + (c+4 +c) - 3 + c = 17

c + 4 + c + 4 + c -3 + c = 17

4c + 5 = 17

4c = 17 -5 = 12

c = 12/4 =3

Then, a = 3 + 4 = 7

b = (7+3)-3=7

And the winner is

773

it is b)

hope this : )

step-by-step explanation: