Answer:
150 units
Step-by-step explanation:
you count the lines and each line is 50
Answer:
Two
Step-by-step explanation:
40*10 = 400
400 has two zeroes
I’m not sure but I think 8
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
