Ted can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. When they work together, the
2 answers:
Answer:
1 hour 12 minutes.
Step-by-step explanation:
Let the number of hours = t
Ted can clear the field = 
Jacob can clear the field = 
Together they can clear the field =
+
= 1
= 
2t + 3t = 6
5t = 6
t = 
t = 1.2 hours.
converting 1.2 hours = 1 hour 12 minutes.
It would take 1 hour 12 minutes to clear the field together.
Answer:
1/2+ 1/3 = 1/t t= 72 minutes (1 hour and 12 minutes)
Step-by-step explanation:
1/2+1/3 =t
3/6 +2/6= 1/t
5/6 = 1/t
Cross multiplication
5t =6
t=6/5 =1 1/5
1 hour and 1/5 of an hour
60 minutes /5 = 12 minutes
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Answer:
22.5 weeks
Step-by-step explanation:
y = 1.12x + 28.78 represents the height of the puppy. Here that height is 54 cm:
Then 54 = y = 1.12x + 28.78
Combining the constants, we get 1.12x = 25.22. Dividing both sides by 1.12, x turns out to be 22.5 weeks.
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The base unit of volume is the cubic meter, there are 1000 liters per cubic meter
Answer:
She has already reached the end of the trail.
Step-by-step explanation:
216 is a greater number than 45 miles
The sum will be x+y because their ages are variables.