solve using a system of equations: ellen wishes to mix candy worth $1.70 per pound with candy worth $2.50 per pound to form 40 pounds of candy worth $2 per pound. How many pounds of the more expensive candy should she use?

15 pounds

Step-by-step explanation:

let 'x' = $1.70 candy

let 'y' = $2.50 candy

System:

x + y = 40

1.7x + 2.5y = 40(2)

let 'x' = '40-y'

now substitute '40-y' for 'x' to get:

1.7(40-y) + 2.5y = 80

68 - 1.7y + 2.5y = 80

-1.7y + 2.5y = 12

0.8y = 12

y = 12/0.8

y = 15

check:

1.7(25) + 15(2.5) should equal 80

80 = 80

black/brown

step-by-step explanation:

well, you see here, jamal was born to 2 parents, his mother who he lives with and his father who left at a young age and who happens to be younger than him. he stole cookies because he has to steal food due to the fact that he spends his government poverty checks on pot and women.

i have no idea just need points sorry

step-by-step explanation: