The correct answer should be 4. 2 times 0.3 is 0.6. 3.4 plus 0.6 equals 4. ;)
Answer:
<em>It will take 12 hours to fill the tank</em>
Step-by-step explanation:
Proportions
Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.
Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.
Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.
Each hour, the tank gets filled by:

Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank
Answer:
A: choice 2, then choice 3
B: No
Step-by-step explanation:
204
71:35=2
2 goes on the top
2x35=70
71-70=1
then carry them down 14
14:35=0
Carry it up it should be 20 up there now
Carry the 0 from the 7140 down to make it 140
140:35=4
Then carry that 4 up and your answer is 204
Step-by-step explanation:
For the first term

(b)

(c)

(d)

(e)

(f)
