Big dig diamond company pulverizes 156 tons of rock for every 2 ounces of diamonds it finds. how many tons of rock must it grind up in order to locate 20 ounces of diamonds?

1560 tons of rock.

Step-by-step explanation:

We have been given that Big Dig Diamond Company pulverizes 156 tons of rock for every 2 ounces of diamonds it finds.

We will use proportions to solve our given problem.

Therefore, 1560 tons of rock must it grind up in order to locate 20 ounces of diamonds.

37

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have