<span>x+y= 375 y=2x-60
A is the answer </span><span />
Answer:
i) 45km/hr
ii)29 min
Step-by-step explanation:
average speed = distanced travelled / time elapsed
It took 36min and need to convert to hr
36min x
=
=
hours
distanced travelled is 27 km;
average speed = 27km / (9/15hr) = 45 km/hr
Add 36min to 0837 becomes 0913, the train will arrive at 0942 and the wait will be the difference of 0942 - 0913 = 29 min
Answer:
Graph or the problem?
Step-by-step explanation:
<u>I used trial and error. It's a great method.</u>
35 blue shirts
20 gray shirts
35*12=420
20*10=200
420+200=620.
Hope this helped! If it didn't or you need further explanation, please tell me so I can do so.