Question

Three types of coffee beans A,B,C are blended in the ratio of 3:5:7 to make a bag of coffee powder.
1: Given that the bag contains 45 kg of coffee powder, find the mass of each type of coffee beans in the mixture.
2: if A costs $7 per kg ,B costs $10 per kg and C costs $13 per kg , find the cost of kg of the mixture

Answer 1

$\huge\{Hi buddy}$

3x+5x+7x=45

15x=45

x=3

A=9 B=15 C=21

9(7)+15(10)+21(13)=486

486/45 =cost/kg

10.80 cost/kg for mixture

Answer 2

Answer:

10.80cost of kg of the mixture is the answer .☑️