Dorabella and Guillermo are rowing on the same river in the same direction Dorabella who is rowing her Canoe at 7 mph and it's exactly 4 miles ahead of Guillermo who is rowing his canoe at 9 mph. How many hours will it take Guillermo to catch Dorabella well?

the number of hours taken is 2

Step-by-step explanation:

The computation of the number of hours taken is shown below:

As we know that

Distance = travel time × speed

The Guillermo to catch Dorabella be t = T

So the equations would be

9T = 4 + 7T

9T - 7T = 4

2T = 4

T = 2 hours

hence, the number of hours taken is 2

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

5/20 so 25%

step-by-step explanation: