600. Because 50 is rounded up.
Step-by-step explanation:
1. 3:4, 6:8, 9,12
So 12:15 is the same thing as 12/15 you need to simplify so 12 devided by 2 is 4 and 15 divided by 3 is 5 so question to is 4:5
Answer:

Step-by-step explanation:
Distance covered by the train in crossing the pole = 100 m.






- Hence, the speed of the train is 72 km/h
70 kilometers because you have to multiply 3.5 by 20.
Answer:
x=8
Step-by-step explanation:
7x-6+60+70=180°
7x-6+130=180°
7x+124=180°
7x=180-124
7x=56
x=56
___
7
x=8
ans
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