$\begin{gathered} \text{Let assume one train spe}ed\text{ is x km/h} \\ \text{Second train spe}ed\text{ is }\Rightarrow(x+18)\text{ km/h} \\ \text{They m}eet\text{ in 2 hour,so} \\ 2=\frac{480}{x+x+18} \\ 2x+18=\frac{480}{2} \\ 2x=240-18 \\ x=\frac{222}{2} \\ x=111\text{ km/h (1st train spe}ed) \\ x+18=111+18=129\text{ km/hr (2nd rain sp}eed)\text{ } \end{gathered}$

3 0

1 year ago

What is the surface area of this solid, to one decimal place

aleksandrvk [35]

Step-by-step explanation:

$\sf{7 \times 2 \times 5 = 70}$

Hope this helps you.

Let me know if you have any other questions :-):-)

6 0

2 years ago

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Why do people always ask to be given brainlyest and why are people so greedy with it?

stepan [7]

I have no Idea bro but some people just have to have the best you know and others don't I enjoy helping other people with personal and logical questions without the need for a reward. ;)

7 0

2 years ago

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