Answer: let the no of paperback books be x and hardcover books be y
4y - x = 3
Therefore, x - 4y = -3 -----(1)
x + y = 447 ----(2)
Put x = 447 - y in eqn 1
447- y - 4y = -3
-5y = -3 - 447
-5y = -450
y = 90
x = 357
Step-by-step explanation:
Answer:
I think the answer to the second one is D, and that means the first one is purple
the answer is B ........
Answer:24
Step-by-step explanation:Enlarges=multiply ,so multiply 8 and 3
16
4x3=12 tins of white paint
12+4=16 total tins