Question

Answer 1

A) 1

B) \(-\dfrac{34}{135}\)

C) \(-\dfrac{67}{60}\)

Answer 2

`a) 3/7 . 7/5 + 2/5`

`= 3/5 + 2/5`

`= 5/5 = 1`

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`-4/9 . 1/6 - 8/45`

`= -2/27 - 8/45`

`= -34/135`

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`12/-25 . (-15/16) - 373737/151515`

`= 9/20 - 37/15`

`= -121/60`