Answer:
6.66 hours, that is, 6 hours and 40 minutes.
Step-by-step explanation:
If Mike can plow a field in 12 hours, we plows 1/12 of the field each hour.
If Phil can plow a field in 15 hours, we plows 1/15 of the field each hour.
So if they are working together, they can plow (1/12) + (1/15) of the field each hour, that is:
(1/12) + (1/15) = (5 + 4) / 60 = 9 / 60 = 3 / 20 = 1 / 6.66
So if they work together, they can plow the field in 6.66 hours, that is, 6 hours and 40 minutes.
Answer:
<em>48 students <3</em>
Step-by-step explanation:
<em>6 x 8 = 48 </em>
<em>Therefore, 48 students ride on each bus </em>
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180 is the LCM of the three numbers
(1454.625 mles)/(4.5 tanks) = 323.25 miles/tank
He gets 323.25 miles on a single tank of gas.
The center of a circle with the equation given is (2,-1).