Question

The Nutty Shoppe has 10 kg of mixed pecans and cashews which sell for $8.40 per kilogram. Cashews alone sell for $8 per kilogram, and pecans sell for $9 per kilogram. How many kilograms of cashews are there in the mix?

Answer 1

work out the left side first

Answer 2

that is pretty confuseing to me

Answer 3

ok then 10 x 8.40

Answer 4

my computer wouldnt let me on the site

Answer 5

The bag is 10kg, so c + p = 10.
The total cost of the bag is $84.00, so 8c + 9p = 84.
But you know c = 10-p from equation 1, above. Make that substitution into equation 2.

Now:
8(10-p) + 9p = 84.
80 - 8p + 9p = 84
80 + p = 84
p = 4

Since c + p = 10, c must be 6

Answer 6

right

Answer 7

i get it now thanks bro

Answer 8

don't forget to close the question