The first thing to do is the make the denominators of the fractions the same.
5/10 of the pupils walked to school and 2/10 of the pupils came to school by bus.
5/10 + 2/10 = 7/10.
10/10 - 7/10 = 3/10.
<span>3/10 of the pupils came to school by car. </span>
The first answer is 40 second 65 third 56 and then fourth 90
(i) The scale factor is 6 because of the ratio between the 2 given corresponding sides.
I don't know the second part, but I hope this helps regardless.
Answer: mean is 66 and the median height is 68.
Step-by-step explanation: uh I dont know what to put here....?