Answer:
P = 2l + 2w
solve for w
re-write
2l + 2w = P
subtract 2l from both sides
2w = P - 2l
divide both sides by 2
w = (P - 2l) / 2
Answer is B
w = (P - 2l) / 2
X * 0.85 = 136
x = 136/0.85
x = 160
hope this helps :)
If 1/5 are chocolate chip, then 4/5 are not chocolate chip because 1 - 1/5 = 4/5.
Half of 4/5 are peanut butter. Half of 4/5 is 2/5, so 2/5 of the cookies are peanut butter.
