Question

If a silver alloy that costs $6.50 an ounce

is going to be mixed with 30 ounces of a
silver alloy that costs $9 an ounce to
make a mixture that costs $8 an ounce,
how many ounces of the $6.50 an ounce
alloy must be used?

Answer 1

20 is the correct answer

Explanation:

you're welcome :)

Answer 2

6.8 ounces would be used?