Question

a packet has 90 sheets of paper . simran uses 3 by 5 of the sheet. how many sheets.
does she useand how many she did not use

Answer 1

3/5 *90
=54
No. Of sheets she used = 54
No. of sheets she did not use = 90-54
= 36

Answer 2

90x3/5=54
No. of sheets used = 54
No. of sheets left = 90-54=36