Mr. Wright was making a table to figure out how much it costs to send a certain number of regular letters through the mail. Use proportional reasoning to complete his table at right.

$8

step-by-step explanation:

it is pretty much backwards.

you take the 4x2 multiply that, and that is = $8

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

total of apples - take away four

6-4 = 2

answer is 2 apples