posted by gabriella on .
Mrs. Rossi wrote the following clus for a mystery 4-digit number.
.The tens digit is twice the one digit
.The hundreds digit is twice the ones digit.
.The ones digit is 3.
.The sum of the digits is 19.
What is the mystery number?
show the work.
If the ones digit = 3, then as twice as large, the hundreds and tens digits = 6
x+ 6 + 6 + 3 = 19
Solve for x.