Question

Using distributivity,Find:

1) {7/5×(-3/12)} + {7/5×5/12}​

Answer 1

Answer:If a , b , c are Rational numbers ,

a × b + a × c = a ( b + c )

Distributive property

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Here

a = 7/5 ,

b = ( -3/12 ) ,

c = 5/12 ,

[ 7/5 × ( -3/12 ) ] + [ 7/5 × 5/12 ]

= 7/5 × [ -3/12 + 5/12 ]

= 7/5 × ( 2/12 )

= ( 7 × 2 )/ ( 5 × 12 )

after cancellation

= 7/30

I hope this helps you.

Answer 2

Answer:

{7/5×(-3/12)} + {7/5×5/12}

= 7/5 × ( - 3/12 + 5/12) [ By Distributive property]

= 7/5 × 2/12

= 7/30

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