Answer: 7/60 kg of saltStep-by-step explanation:Step 1: Check for common factors (cross-simplify)Numerator 2 and denominator 8 have a common factor of 2.2 divided by 2 = 18 divided by 2 = 4So now the problem becomes: 7/4 x 1/15Step 2: Multiply acrossnumerator = 7 x 1 = 7Denominator = 4 x 15 = 60