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

@thatsojessiee please help me

Answer 2

\[700\times 1,000+1200R=1,000,000\] solve for \(R\)

Answer 3

i dont get that its the same thing im trying to figure out

Answer 4

A is arabic beans with a quantity of 1000 which is given

Answer 5

sorry confusing yes getting it no

Answer 6

well you got an equation with 2 unknowns R and A right?

Answer 7

yes

Answer 8

but in your question A is given

Answer 9

that is 1000

Answer 10

ok but r is the confusing part

Answer 11

R becomes then your only unknown

Answer 12

so you fill in your A 700*1000 +1200R = 1 000 000

Answer 13

700 000+ 1200R = 1 000 000

Answer 14

1200R = 300 000

Answer 15

R= 300 000/1200

Answer 16

R=250

Answer 17

thx

Answer 18

np