5. A cruise ship can cover 20 nautical miles in 340 minutes. How many nautical miles will it travel in 102 minutes?

A. 4

B. 8

C. 10

D. 6
please help me

Question

5.  A cruise ship can cover 20 nautical miles in 340 minutes. How many nautical miles will it travel in 102 minutes?  


  A.   4  


  B.   8  


  C.   10  


  D.   6  
 please help me

anonymous · Answer

Proportions, proportions. Let's set it up.|dw:1397780882343:dw|

anonymous · Answer

Do you know how to solve proportions?

anonymous · Answer

I know you times something im just not sure what

anonymous · Answer

Alrighty. |dw:1397780988102:dw|

anonymous · Answer

Solve for x, and you've got your answer. :)

anonymous · Answer

Do you get what's going on? :)

anonymous · Answer

not really

anonymous · Answer

Where are you stuck?

anonymous · Answer

Is it the cross multiplying?

anonymous · Answer

what do you multiply

anonymous · Answer

7 and x (You get 7 from reducing 340). See how you go across?
Then you multiply 1 (From reducing 20) and 102, again crossing over.

anonymous · Answer

17*

anonymous · Answer

Oops, wrong number. Not 7, it's 17.

anonymous · Answer

|dw:1397781445378:dw|