About 16 copies cost the same amounts
The correct answer would be B
The linear equation (y = mx + b) for this particular line is d = 0.6t
it's the same as finding the equation for any line except they use d instead of y and t instead of x. The slope m is 0.6 and intercept is zero.
The probability of you running into a Mankey Pokemon and then a Pidgey Pokemonis 4/27.