Question

a baker bought 7500 grams of flour for $19.20. How much did each kilogram of flour cost?

Answer 1

Solutions 

Cost of 7500 grams of flour bought = $ 19.20

1 gram of flour = $ 19.20/7500

1 kilogram = 1000 grams

Cost of 1 k.g of such flour = $(1000x 19.20/7500)
                                              = $192/75

$192 ÷ 75 = $2.56 

Answer = $ 2.56

Answer 2

If 7500 or 7.5 Kg of flour = $19.20.
then 1 Kg = $  = $ 2.56.

So, Each Kilogram of flour cost $ 2.56.