17 Bronze is a mixture of copper and tin. The copper and tin are in the ratio 9:1.
SI
How much tin is there in a bronze
bracelet weighing 270 grams?
SUG
a
10
27
g
b
Another bronze bracelet contains 180 grams of copper.
How much does it weigh altogether?
g

tilkamilkap0ct2o    1   10.03.2021 13:13    1