Answer:
x = 15
Step-by-step explanation:
3x / 3 = 45 / 3 x = 15
The a is 1 and the b is 0
Answer:
(i) 540kg
(ii) 5.56 (rounded off to 3 significant figures)
Step-by-step explanation:






X=60 and y=20
x and y can be many things that answers the question to 120
Answer:
After 2.5 minutes the pool will have 27 gallons of water.
Step-by-step explanation:
The pool has already 12 gallons of water and Eric wants to fill it to at least 27 gallons.
The water is flowing at a rate of 6 gallons per minute.
Let, after t minutes the pool will have at least 27 gallons of water.
Therefore, we can write the equation as
27 = 12 + 6t
⇒ 6t = 15
⇒ t = 2.5 minutes.
Therefore, after 2.5 minutes the pool will have 27 gallons of water. (Answer)