Tyler has to choose which hotel he wants to stay at on his upcoming vacation. He can stay at Modest Inn or he can stay at Massive Motel which has three times as many rooms as Modest Inn plus 5 additional rooms. How many rooms does Modest Inn have if they have 85 rooms between the two of them?

look up desmos it's a helpful calculator for this kind of stuff

15 i think

Step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c