Question

slove by formula of variation ​

Answer 1

Answer:

(1) In 25 boxes ,12×25= 300 bottles are there

so these 300 bottles are filled as 20 bottles in each box so each box 20 like that

IN 15 boxes 300 bottles are packed

so the answer is 15 boxes

(2) the image

(3) l ∝ 1/ f

(4) cost = weight

cost of 12kgs of sugar = 138

cost of 1 kg = 138÷12

= 23/2

cost of 5 kgs = (23/2)×5

= 115/2

= 57.5

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