Answer:
she has 3/5 left
3 left because 5 - 2 = 3
hope i helped <3
Step-by-step explanation:
A
x+y≥14
xy<40
area of the floor = 540*840.
=453600 cm sq.
area of the marbal piece = 1/2 * 40* 30 = 600 cm sq.
now,
no. of marble piece reqd. = 453600 / 600 = 756 marbal piece.
hope it helps u.