Answer:
54.3329
Step-by-step explanation:
calculator said so lol
Try, please, this:
1) Imagine, that pharmacist used 'x' gr. of 40% solution and 'y' of 70% solution.
Together (20 gr. of 52% sol.) it will be x+y=20.
2) From other side, the pharmacist combined 40x and 70y gramms, after obtaining together it is 52(x+y) gramms. In other words 40x+70y=52(x+y)
3)

Answer: 8 gr. of 70% solution and 12 gr. of 40%.
Red=20 (1/3 x 60=20)
Blue=30 (1/2 x 60=30)
Green=5 (1/12 x 60=5)
White=5 (1x12 x 60=5)
Answer:
√13
Step-by-step explanation:
1/33 is a fraction, meaning it is rational
1.6... has a repiton, meaning it is rational
-5.43 is a integer meaning it is rational
Answer:
4x+4y
Step-by-step explanation: