Jonn

This page lists questions and answers that were posted by visitors named Jonn.

Questions

The following questions were asked by visitors named Jonn.

One alloy of brass is 70% copper and 30% zinc. Another alloy of brass is 40% copper and 60% zinc. How many grams of each of these alloys need to be melted and combined to obtain 300 grams of a brass alloy that is 60% copper and 40% zinc
9 years ago

Answers

The following answers were posted by visitors named Jonn.

president taft's secretary of interior, rotchard a. ballinger, disapproved of conservationist controls of western lands
13 years ago