Question

By What rational number should be product of
‐3/10 and 12/21 be divided to get -7/24?
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Answer 1

ANSWER = 144 / 245

product of -3 /10 and 12/21 = - 3 / 10 × 12 / 21

= -6 / 35.

-6 / 35 ÷ x = - 7 / 24

- 6 / 35x = - 7 / 24

- 6 × 24 = -7 × 35 x

x = - 6 × 24 ÷ ( -7 × 35)

= - 144 / ( - 245 )

= 144 / 245