I am stuck on this one. Dont give me the answer. Just tell me the starting equation I know it starts with:
.90x+.75(20)= Then what?
This is the question: I mixed 90 cent candy with 75 cent candy. How many pounds of 90 cent candy must be added to 20 pounds of 75 cent candy to make a mixture of 85 cent candy?
First to answer correctly will get best answer! I will know the correct answer when i see it
2007-01-15 12:46:51 · 3 answers · asked by L Thorton 2 in Science & Mathematics ➔ Mathematics
let x be the pounds of 90 cent ... needed
we have
90*x + 75*20 = 85*(x+20) (the total money you will have to pay)
=> x = 40 pounds
2007-01-15 13:16:36 · answer #1 · answered by James Chan 4 · 0⤊ 0⤋
equal to 85 cents times total weight
2007-01-15 20:52:12 · answer #2 · answered by Anonymous · 1⤊ 0⤋
You've been given the correct answer.
2007-01-15 21:03:49 · answer #3 · answered by S. B. 6 · 0⤊ 1⤋