Question

Translate the algebraic expression

1.the sum of 10 times a number and a number
2. 5 times the difference of two numbers
3. product of a number and 5 is 15

Answer 1

1. If the numbers are the same, 10n +n, or 11n
.. If the numbers are different, 10a +b

2. 5(a -b)

3. 5n = 15