Answer:
The metal worker should use 10 kgs of 25% copper alloy and 40kgs of 70% copper alloy to make it
Step-by-step explanation:
2 x 6x - 2 x 5y - 7
12x - 10y - 7
Answer:
Option A
Step-by-step explanation:
Option A because there is two completely different events going on, and they have nothing to do with each other.