No, that's not very good. A 13 year old boy should be running 6:10 to 6:20. I'm almost 13 and have a 6:21 mile.
918
18
It is 1/918.
Instead of "out of" say divide. 918 divided by 3400 can be written as a fraction where 918 is the numerator and 3400 is the denominator. When you divide, you get 0.27. When you multiply 0.27 by 100 you get a percentage, so 918 is 27% of 3400.
51 918
918 miles is equivalent to 1477.52 kilometers. To convert miles to kilometers, you can use the conversion factor of 1 mile being equal to 1.60934 kilometers. Therefore, 918 miles multiplied by 1.60934 gives you 1477.52 kilometers.
27 × 34 = 918
918
18
It is 1/918.
16 minutes. (34-28 = 16)
Instead of "out of" say divide. 918 divided by 3400 can be written as a fraction where 918 is the numerator and 3400 is the denominator. When you divide, you get 0.27. When you multiply 0.27 by 100 you get a percentage, so 918 is 27% of 3400.
183.6
The LCM of 918 and 60 is 9180
51 918
918 mm
918 miles = 1477.38 km