Question

The cost of coffee is determined by the type of coffee beans that are mixed together. The cost of a local mix of Arabica and Robusta beans is modeled by the equation below, where A = the pounds of Arabica and R = pounds of Robusta. :

700A + 1200R = 1,000,000

If a mixture contains 1000 pounds of Arabica beans, how many pounds of Robusta beans should be in the mixture?

R = ________________ pounds

Answer 1

The other equation is A+R=1000

Answer 2

Solve the system.

Answer 3

how do i do that?

Answer 4

Use substitution.

Answer 5

im sorry but i didnt pay attention in class :/

Answer 6

oh wait is it 250?

Answer 7

A=1000-R

Answer 8

In the equation your teacher gave you, replace A with 1000-R and solve for R

Answer 9

whats R tho?

Answer 10

im in a hurry can someone just pls give me the answer? lol

Answer 11

That's what you're going to find out when you solve that equation.

Answer 12

ugh i cant i need to get off the car rn

Answer 13

ok im going now

Answer 14

Bye and good luck.