Question

A cloth of 5 m length and 75 cm width is to be bordered with lace 6 cm wide find the cost of putting the border at the rate of 0.50 per sq.cm

Answer 1

area of lace =(500+12) × (75+12) - 500×75
=(512× 87) -(37500)
=44544 - 37500
=7956 sq.cm
cost of putting border=7956×0.50
=3978
hence the total cost is 3978rupee