Most of the metals we use are alloy metals combined with other materials. Brass is an alloy made of copper and zinc. This table shows the parts of copper and zinc used to make a batch of brass.
Copper, in
pounds
16
48
Zinc, in
pounds
4
12
64
16
Determine if the following statements are true or false and select the appropriate column.
True
False
Statement
In every batch of brass, 1/5 of the brass is made of zinc.
Every 1 pound of zinc requires 3 pounds of copper.
There is 1 pound of zinc in every 5 pounds of brass.
There is 4 times as much copper as zinc.
There are 8 pounds of zinc for every 24 pounds of copper