Question

The noodles are 1.29 $ for 1.25 kg how much will it cost for 100 g
PLS HELP

Answer 1

`\boxed{ \$0.1032}`

Explanation:

`100 g \: will \: be \: \to \: 0.1kg \\ hence : if \:1.25 kg \: costs \: \$ 1.29 \\0.1kg \: will \: cost \to \: ( \$ 1.29 * 0.1kg)/(1.25kg) \\ 0.1kg \: will \: cost \to \: 0.08 ( \$ 1.29)\\ = \boxed{ \$0.1032}\\`