Question

how do i solve, If 160lb of an alloy contains 76.8lb of copper, what peercent of the alloy is copper?

Answer 1

can you explain how you got that answer

Answer 2

@cj49, giving direct answers on OS is forbidden. Guiding, explaining, demonstrating, and tutoring is welcome here.

Answer 3

76.81/160x100=48

Answer 4

ill be more careful from next time@Hero

Answer 5

You can use this equation for problems like these:

\[\frac{\text{part}}{\text{whole}} = \frac{\%}{100}\]

Then input the given values. In this case \(\%\) is \(x\) since it is unknown:

\[\frac{76.8}{160} = \frac{x}{100}\]

Answer 6

oh okay thank you i get it now @Hero

Answer 7

You're welcome