Question

38 kg of onions cost $144.40. how much would 49 kg cost?

Answer 1

Answer:

$186.2

Step-by-step explanation:

   38 kg costs $144.40

∴ 1 kg costs = $\frac{144.40}{38}$  = $3.8

   49 kg costs = 3.8  x  49

                        = $186.2

Answer 2

We apply the rule of three:

kg of onions          $

38 ------------------- 144.40

49-----------------------x

First it is 49 x 144,40, and after it is divided by 38, therefore:

$\bf{x=\dfrac{49*144.40}{38}= \dfrac{5605.6}{38}=186.2 }$

Put so much, 49 kilograms of onion count $ 186.2.

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