If in the Same Amount of Time That It Takes

question 29

Multiple Choice

if in the same amount of time that it takes her to read 40 pages of economics and 30 pages of sociology, Martha could read 30 pages of economics and 70 pages of sociology, then which of these equations describes combinations of pages of economics, E, and sociology, S, that she could read in the time it takes to read 40 pages of economics and 30 pages of sociology?

• A)4E + S = 190.
• B)E + S = 70.
• C)E + S = 100.
• D)E/2 + S = 50.
• E)All of the above.

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Definitions:

F8/h7 Symbol

A code in engineering denoting a specific type of fit between two machined parts, with precisions defined by the letter and number.

Close Running

Fit type characterized by a small but non-restrictive clearance that allows components to move together smoothly without excessive play or looseness.

Grades

Levels of quality or size in a uniform set of specifications, or levels of academic achievement in educational contexts.

Ø30 f7 Fit

A specification for a cylindrical fit where Ø30 defines the nominal diameter in millimeters and f7 specifies the tolerance class for a hole.