Question

17.5m = x
3
aoky
3oky
20k4
10 m
and the distance how my travelled by the plank
by
reaches at the c
cente
of the plank
girl reaches at the other end of
the plank
when boy
and the
d​

Answer 1

Can you imagine a world without merchants, where we are left to our own devices to acquire goods and services without middlemen? Sounds like a harsh place to be. The sale and trade of goods defines much of the development and history of the world.

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