30+5=5+30 with commutative property or 30+5=35
Answer:
cost of 5 story book=800
cost of 1 story book=800/5
=160
how many. book can be bought on rs.1400
=1400/160
=8.75
Step-by-step explanation:
=
Step-by-step explanation:
1 and 2 are negative
3 and 5 are none
4 and 6 are positive
