Question

by what number should 2139 be divided to get 37 as quotient and 30 as reminder​

Answer 1

Answer:

$2139 = x \times 37 + 30 \\ 2139 = 37 x + 30 \\ 2139 - 30 = 37x \\ 2109 = 37x \\ \frac{2109}{37} = x \\ 57 = x \\ x = 57$