Earth Movers & Shakers Operates 3 Iron Ore Mines Refer to the Table Above

Earth Movers & Shakers operates 3 iron ore mines.This table shows their daily production rates and the current number of miners at each mine.All of the miners work for the same wage and each miner in any given mine produces the same number of tons as each other miner in that mine. $$\begin{array} { | l | l | l | } \hline \text { Mine } & \text { Tons } & \begin{array} { l } \text { Number of } \\\text { Miners }\end{array} \\\hline \text { Mother Lode } & 100 & 25 \\\hline \text { Scraping Bottom } & 30 & 10 \\\hline \text { Middle Drift } & 75 & 15 \\\hline\end{array}$$
Refer to the table above.Earth Movers & Shakers has just received an order for 60 tons of ore,to be filled in a single day.It has no other orders for that day.It should:

A) take it all from Mother Lode.
B) take it all from Middle Drift.
C) take 30 tons from Scraping Bottom and 30 tons from Middle Drift.
D) take 20 tons from each of the three mines.