Bro i didnt even go on brainly for the past week and a half and they do this?
2 answers:
You might be interested in
Answer:
x=6 or x=0
Step-by-step explanation:
or
Given- 90% of runner completed the marathon.
out of which 30% are man.
To proof - let the total number of runner be y.
the men completed the marathon be 30% of the 90%.
thus we have
30% of 90% of y = 270
×
×y = 270
now solving the above equation
we get
Thus solving the equation
y = 1000
Thus the total runners of men who completed marathon be 1000.
Hence proved