Question

Pls help me on these 2 questions !!

Answer 1

1. 23

2. 8

Explanation:

☆Cross multiply.

`(2)/(10) = (4)/(a - 3) \\ \\ 40 = 2(a - 3) \\ 40 = 2a - 6 \\ ( + 6 = \: \: \: \: \: \: \: \: + 6)/( (46)/(2) = (2a)/(2) ) \\ \\ 23 = a`

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`(k)/(6) = (4)/(3) \\ \\ (24)/( 3) = (3k)/(3) \\ \\ 8 = k`