A=xy+yz
A=y*(x+z)
y=A/(x+z)
D & E
D) if you divide the ratios by 2 you get 1:6
E) if you multiply each ratio by 4 you get 8:48
You can’t divide or multiply any of the other numbers with 2 and 12 (together) to get you the other answers
Each lock costs $1.70
The total profit is 244.8
Answer:
It is 12. 12 fossils were found in Wyoming.
Step-by-step explanation: