Question
The units digit of a two-digit number is two more than four times the tens digit. When the digits are reversed, the new number is thirteen more than three times the original number. What is the original number?
Answers
Ms. Sue
16
Raven
How did you get this answer (what are the steps involved)?
Ms. Sue
Two more than four times more than the tens digit
The tens digit cannot be 2, so it must be 1.
The tens digit cannot be 2, so it must be 1.
Raven
What are the algebraic equations you used to find this answer?
Ms. Sue
I didn't use any algebraic equations.
Raven
Oh, well...do you think you'd be able to come up with any?
Ms. Sue
Please repost your question and ask for an algebraic equation that will solve it. Perhaps a math tutor can help you.
Ms. Sue
4x + 2 < 9