Last Month a Store Sold 4 Times as Many Tapes

question 9

Multiple Choice

Last month a store sold 4 times as many tapes as CDs. If the total quantity of these two items sold was 360, how many tapes did the store sell?

• A) 288
• B) 360
• C) 90
• D) 20

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Definitions:

Classes

Refers to the categorization of tolerances or grades in manufacturing processes to specify the level of precision required.

United National Coarse

A thread specification for bolts, screws, and nuts that specifies a standard coarse pitch for screw threads, commonly used in the United States.

UNC

Unified National Coarse, a standardized thread designation used in the United States for bolts, screws, and nuts with a coarse thread pitch.

Woodruff Key

A Woodruff key is a semi-circular shaped, removable key that fits into a circular recess in a shaft, allowing it to engage with a corresponding slot in a mating part to prevent relative rotation while permitting axial movement.