please bata dijiye please
question 7,8,9
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7. cost if 1m=rs 36 2/3
cost of 3 3/4 m = 36 2/3 / 3 3/4
110/3 / 15/4
110/3*4/15
=88/9
=9 7/9
8. average speed = 40 2/5 km/h
distance cover in 7 1/2 hours
=40 2/5 * 7 1/2
=202/5 * 15/2
=101*3
=303 km
9. product = -16/9
one number =-4/3
other number = -16/9*3/-4
=4/3
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