Answer:
it would be D
Step-by-step explanation:
well, a WHOLE is 1, which we can split in many fractions, say 5/5, 10/10 or 999/999 and so on.
we know 1/5 of the jar is chocolate chip, and there's the rest, well, the Whole jar in 5ths have to be 5/5, if we take away 1/5 from 5/5, the "rest" is 5/5 - 1/5 = 4/5.
now, we also know that 1/2 of the "rest" is peanut butter, or namely that 1/2 of 4/5 is peanut butter, how much will that be? let's divide 4/5 by 2

Answer:
$186.2
Step-by-step explanation:
38 kg costs $144.40
∴ 1 kg costs =
= $3.8
49 kg costs = 3.8 x 49
= $186.2
I’m not exactly sure what the question is asking, but assuming that the equation is r=10b^2, then the answer would be r=40.