Answer: 10.20(20−n)+6.8nNow solve for n:204−10.20n+6.8n204−3.4n−3.4nn=170=0170Distributive Property=170Add like terms.=−34 Subtract 204.=10 Divide by −3.4.
Since n=10, we can plug that into m+n=20.
m+10=20⇒m=10.
The coffee company needs to use 10 pounds of each type of coffee in order to have a 20 pound mixture that costs $8.50 per pound.
Step-by-step explanation: this might be wrote 3 times