Respuesta :

Answer:

22.50

Step-by-step explanation:

first divide 3.75 by 0.7 and then multiply by 4.20

3.75 kg chocolate costs 21 $

Step-by-step explanation:

Cost of 0.70 kg chocolate = 4.20 $

[tex]\texttt{Cost of 1 kg chocolate =}\frac{4.20}{0.70}=6\$[/tex]

Now we need to find cost for 3.75 kg chocolate.

Cost for 3.75 kg chocolate = Cost of 1 kg chocolate x 3.75

Cost for 3.75 kg chocolate = 6 x 3.75

Cost for 3.75 kg chocolate = 21 $

3.75 kg chocolate costs 21 $