Mike, Peter and Rob have sold 56 chocolate bars altogether. Peter sold twice as many as Mike; Rob
sold twice as many as Peter. If x is the number of
chocolate bars Mike sold, which equation can be
used to find out how many chocolate bars each
person sold?

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn

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

answer: b.36 feet

step-by-step explanation: