coffee shop plans to mix grage a cogge costing $9.50/lb and grade b coffee costing &7 /lb to yield a 20lb blen costing $8.50/lb. how many pounds of each to make the blend?
a=b=20
9.5a+7b=170
1 answer
What is " grage a cogge "?
a=b=20
9.5a+7b=170
1 answer