If it takes matthew an hour to get to his friend’s house, and two hours if he drives 25 mph slower, how far away does matthew’s friend live?

The answer is 50, im surprised no one has answered yet

correct answer:

b.(19,-2)

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b