Answer:
It would be C
Step-by-step explanation:
A negative times a negative is a positive, and 7 x 4 is 28
Answer:
See Explanation
Step-by-step explanation:

Since p varies directly with l,
p = kl (1)
Also, since w varies directly with l,
w = ml
or, l = w/m
Substitute in (1), we get,
p = k (w/m)
= (k/m) w
So, the price varies directly with weight.