Answer:
-14
Step-by-step explanation:
its not a step by step but if you could of linked a picture of the question it would of have been much more easier
Answer:
The answer is 144 grams of zinc
Step-by-step explanation:
proportion zinc to copper = 4/17
4/17 = z/ 612
multiply the extremes
17 . z = 4 . 612
17 . z = 2,448
z = 2,448 / 17
z = 144
The answer is 144 grams of zinc
Always check your answer
4/ 17 = 144/612 = 0.235
Answer:
15 boys and 10 girls
Step-by-step explanation:
you multiply 3:2 by 5 and you get 25 in total