Question

Solve this two problems it's very urgent for me​

Answer 1

Answer:

Verify for any rational numbers a, b and c.

a + (b + c ) = (a + b) + c

a x ( b x c) = ( a x b) x c

by taking a = 3/5, b = ¼, c = 5/9.

Simplify by applying suitable property :(write name of the properties )

3/7 x ( 5/9 + 4/15 )

5/7 x ( -14/15 + 0 )

A factory owner recycled 7/8 of aluminium cans. Is the rational number expressing the amount of aluminium cans recycled more then ½ or less than ½ ?

which value is depicted from this question