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

good job you smart son of a gun you are smarter that einstein. 7

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

answer: i literally just answered this question but they want me to do it again

step-by-step explanation: