A Garden Store Sells Kentucky Bluegrass Seed for $6 Per

question 43

Multiple Choice

A garden store sells Kentucky bluegrass seed for $6 per pound and ryegrass seed for $3 per pound. How much rye must be mixed with 180 pounds of bluegrass to obtain a blend that will sell for $5 per pound?

• A) 90 lb
• B) 60 lb
• C) 80 lb
• D) 105 lb
• E) 70 lb

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Definitions:

Burial

In geology, this refers to the process of layering sediments on top of each other, which can lead to the formation of sedimentary rocks or the fossilization of organisms.

Compaction

Process by which soil, sediment, and volcanic materials lose pore space in response to the weight of overlying material.

Cementation

The precipitation of a binding material (the cement) around grains in sedimentary rocks.

Rock Types

Rock types are classifications of rocks based on their genesis, including three main categories: igneous, sedimentary, and metamorphic.