Answer:
I think its D
Step-by-step explanation:
300*20/100=60
It seems like a true prediction.
For this case we have to:
n: Represents the weight of Mary in Kg.
If your sister weighs 15 kg less we have:

Where "y" represents the weight of his sister in kg.
To find how many times Mary is heavier than her sister, we must divide Mary's weight by her sister's weight.
We have then:

Answer:
Mary is
times heavier than her sister.
Answer:
ok now give me brainleist...
Step-by-step explanation:
Yarrr maths.....very tough subject
2p = 4
p = 2
-2p = 4
p = -2
answer p = -2 and p =2