7 indian and 4 chinese finish a job in 5 days. 7 japanese and 3 chinese finish the same job in 7 days. given that the efficiency
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We look at the point that has not moved and another point (if neccecary)
the point that has not moved is on the axis of reflection
that pont is D
we see in my diagram that the only axis that that is on is x=0
the answer is B. x=0
the point that has not moved is on the axis of reflection
that pont is D
we see in my diagram that the only axis that that is on is x=0
the answer is B. x=0
The left-handed students
12% are left handed, percent means per hundred. Change percent into per 100.
12% =
Then simplify the fraction by dividing the numerator and denominator by 4
=
=
This is the fraction showing the proportion of the left-handed students
The right-handed students
Determine the fraction showing the proportion of the right-handed students
1 - the left-handed
= 1 -
Equalize the denominator to 25
Simplify
This is the proportion of the right-handed students
<span>Are there more right-handed or left-handed students?
There are more right-handed students than the left-handed students, because 21/25 is more than 3/25</span>
12% are left handed, percent means per hundred. Change percent into per 100.
12% =
Then simplify the fraction by dividing the numerator and denominator by 4
=
=
This is the fraction showing the proportion of the left-handed students
The right-handed students
Determine the fraction showing the proportion of the right-handed students
1 - the left-handed
= 1 -
Equalize the denominator to 25
Simplify
This is the proportion of the right-handed students
<span>Are there more right-handed or left-handed students?
There are more right-handed students than the left-handed students, because 21/25 is more than 3/25</span>