Question

use the numbers -10, -5/2 - 2/5, or 5 to write an expressionusing only two of the numbers, write a division expression with a quotient greater than 10

Answer 1

We need to choose two numbers in a way that the quotient between them must be greater than 10. Then if we choose the number -10 as the dividend, and the number -2/5 and the divisor, we have the following result:

$R=\frac{-10}{-\frac{2}{5}}\Rightarrow R=-10\cdot(-\frac{5}{2})\Rightarrow R=5\cdot5\Rightarrow R=25$

Then, the result for this division (the quotient) is 25 (it is greater than 10).