Answer:
Step-by-step explanation:by finding how much it costs
Answer:
6
Step-by-step explanation:
got it right on edge
193,800,000-31,300,00-23,200,000=139,300,000 is correct I think
Answer: 
Step-by-step explanation:
Hi, to answer this question we have to analyze the information given:
d = kilograms of dark chocolate
m =kilograms of milk chocolate
So, her recipe calls for twice the amount of dark chocolate as milk chocolate.
Mathematically speaking:
m = 2d
She needs to buy 120 kg, of chocolate in total. So;
m + d = 120
The following system of equations represent the situation:

Feel free to ask for more if it´s necessary or if you did not understand something.