Answer:
Step-by-step explanation:
use m a t h w a y
Answer:
Step-by-step explanation:
957 6547
Answer:
10 ml of a 72% solution, 20 ml of a 54% solution
Step-by-step explanation:
x ml - amount of a 72% solution
y ml - amount of a 54% solution

(1)
(1) 2160-72y+54y=1800
y=20
x=30-y=30-20=10
Since 10 cm is bigger than 1 mm, the scale drawing is bigger
We can't say. You never told us how side-b is related to side-a.
Are they in the same square ? Are they in the same triangle ?
Are they sides of the same box ? Are they on the same planet ?