riaahroo2378
26.01.2021 •
Mathematics
10 p
A plane travels at an average speed of 550km/h.
The plane travels 3300 kilometres.
Calculate how long the plane journey took.
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Ответ:
Step-by-step explanation:
time=distance/time
t=3300/550=6
6 hours journey
Ответ:
6 hours
Step-by-step explanation:
distance\time
3300k/550km/h
Ответ:
original=100%, now it is 140%
140% of original=now
140% of orignal=350
1.4 of original=350
divide both sides by 1.4
original=250
answer is C
other way
350/140=x/100
35/14=x/100
times both sides by 1400
3500=14x
divie both sides by 14
250=x
C is answer