Question

a photograph is mounted on a card 18 by 15 cm leaving a margin of 1.5 cm what is the fraction of the card and what is the fraction of the card uncovered

Answer 1

Answer:

2/3,1/3 respectively

Step-by-step explanation:

area of photo = 15(18-1.5-1.5) * 12(18-1.5-1.5)

fraction covered = area of photo / area of card= 12*15/15*18=2/3

fraction of area not covered =1- fraction of area covered