2 years ago

Brass is made up of copper and zinc. 100 grams of brass contains 20 grams of zinc.

Mathematics

1 answer:

Nana76 [90]2 years ago

5 0

Answer:

A. 12 grams Zn

B. 280 g of copper.

Step-by-step explanation:

100 grams of brass

20 grams of zinc

100 grams of brass has 20 grams of Zn.

20/100 = 0.200 Zn 20% Zn and 80% copper.

A. (60 g brass)*(0.2) = 12 grams Zn

B. (350 g brass)*(0.80) = 280 g of copper.

You might be interested in

-54/-9 - (-5)= need help ASAP

Semenov [28]

So the answer is 13.5

Look at the attached picture⤴

Hope it will help u..

4 0

3 years ago

Read 2 more answers

Bruce weighs 12 pounds less than three times what Dylan weighs. Write an expression for Bruce's weight in terms of Dylan's weigh

skelet666 [1.2K]

Answer:

3d-12=b

Step-by-step explanation:

5 0

3 years ago

How do u round decimals like 18.194 rounded to the nearest hundred

Lilit [14]

You look at the decimal place next to the hundredth one. In this case, it’s 4 so you round down
18.19 is the answer

5 0

3 years ago

Can anyone help me with this

marin [14]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is 40 1/3 divided by 50

solong [7]

121/150 or 0.0806. The 6 is repeating itself.

8 0

3 years ago

Read 2 more answers