Question

Du
WC
still water and the speed of the current.
31 An aeroplane flies 1680 km with a head wind in 3-5 hours. On the return trip vi
same wind blowing, the plane takes 3 hours. Find the plane's air speed and the wi
speed.
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Answer 1

Answer:

sorry I don't know the answer

Answer 2

Write down a pair of integers whose:
(a) sum is -7
(b) difference is -10
(c) sum is 0. Write down a pair of integers whose:
(a) sum is -7
(b) difference is -10
(c) sum is 0. Write down a pair of integers whose:
(a) sum is -7
(b) difference is -10
(c) sum is 0.