Please answer this as its urgent
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Mark as brainliest answer.
Step-by-step explanation:
20 (a)
→ product of two rational number is -15/4
→ one of them is 3/13
→ Let another be x
→ A,T,Q
→ 3/13 × x = -15/4
→ 3x/13 = -15/4
→ 3x(4) = 15(13)
→ 12x = -195
→ x = -195/12
→ x = -65/4
(b)
→ -7/12 ÷ (-2/13)
→ -7/12 × (-13/2)
→ -91/24
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