a freight trian with 80 cars transports coal and iron ore.each car carries either 100 tons of coal or 90 tons of iron ore.a.let c represent the number of coal carrying coal.write and simplify an expression in terms of c for the total weight of the freight transported by the train.b.suppose 28 train‘s cars carry coal.what is the total weight of all the freight?
The gear depends on the speed you want to go. Always stay within the rev range of the gear. Brake before you downshift, if necessary.
HI the bike will not stall just slow down as the gear and engine hold a speed, so by experiment you will find out.
a freight trian with 80 cars transports coal and iron ore.each car carries either 100 tons of coal or 90 tons of iron ore. a.let c represent the number of coal carrying coal.write and simplify an expression in terms of c for the total weight of the freight transported by the train. 80 cars (C)oal plus (I)ron 80 weight 100(C) + 90(I) C80-I substitute for C weight100(80-I)+90(I) weight8000-100(I)+90(I) weight8000-10(I) b.suppose 28 train's cars carry coal.what is the total weight of all the freight? C+I80 C28 I52 100(28)+90(52) 2800+4680 7480 tons
