A = nuts of $2/lb
B = nuts of $7/lb
let's say we'll mix "x" lbs of B to get a mixture with A of "y" lbs, therefore

Answer:
cos47° = 
Step-by-step explanation:
cos47° =
= 
Answer:
-89/40 or simplified it is -2 9/40
Answer:
60% I hope I help :) have a great day