Hi Friend,
Solution is as follows!
Pupils in ROSE SCHOOL = 2185
GIVEN THAT,
there are 307 people more in lily school
HENCE,
people in LILY school will be = 2180 + 307 =2487.
ROUNDING OFF TO NEAREST 10 we get
2490.
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(ii)TOTAL NUMBER OF PUPIL IN BOTH ROSE AND LILY SCHOOL=
2185+2487=4672
ROUNDING OFF TO nearest 100 we get
2500
HOPE THIS HELPS!!!