I need help please

Question

A candy distributor needs to mix a 10% fat-content chocolate with a 50% fat-content chocolate to create 200 kilograms of a 16% fat-content chocolate. How many kilograms of each kind of chocolate must they use?

Kilograms of the 10% chocolate ____

 Kilograms of the 50% chocolate _____

Answer 1

.1x+.5(200-x)=.16(200)

.4x =.34(200)=68

x=68/.4= 170kg 10%

30 kg 50%