Question

Mrs. Sofia paid $40.68 for 3 kg of shrimp. What's the cost of 1 kilogram of shrimp?

Answer 1

Let's use cross multiplication:

$40.68 ----------------->3kg

$x-------------------------->1kg

So:

40.68/x = 3/1

Solving for x:

x = 40.68/3 = $13.56