The greatest common factor of 42 and 72 is 6.
6 times 7 is 42. 6 times 12 is 72. There is no greater factor for both numbers except for 6.
Hope this helps!
3 hours = 60 x 3 minutes = 180 mins.
Total windows = 30.
So, total time = 30 x 180
= 5400mins
= 90 hours
You would write the following proportion: 4/12= 180/x
When you solve the proportion the answer is 540, which means that 12 game packet costs $540.
What are the choices? The answer should be around 870
What the actual fu- ajsksjjsjs