Answer:
19 pts
Step-by-step explanation:
Another way to rearrange this equation is mx+c=y
Answer:
A
Step-by-step explanation:
Answer:
i think it is 1
Step-by-step explanation:
To answer the question, let x be the number of pounds of coffee worth $9. Having said that, the number of pounds of coffee worth $3 is 120 - x. The equation relating the items before and after mixing is,
(x)($9) + (120 - x)($3) = (120)($5)
The value of x is 40. Therefore, the amount of coffee worth $9 and $3 to be used are 40 and 80 pounds, respectively.