Answer:
y
=
15.96871942
…
,
−
15.96871942
…
Step-by-step explanation:
The answer would be $24.55 per oz of gold alloy so rounded up would be $25
Making the assumption that your problem looks like this,

we use the distributive property to multiply:
3.14?
or do you want more digits?
3.141592653589793238462643383279502884197169399375105820974944592307816406286<span> </span>