Barry Can Do a Certain Job in 2 Hours, Whereas $1 \frac { 5 } { 6 } \text { hours }$

question 238

Multiple Choice

Barry can do a certain job in 2 hours, whereas it takes Sanchez 3 hours to do the same job. How long would it take them to do the job working together?

• A) \(1 \frac { 5 } { 6 } \text { hours }\)
• B) \(1 \frac { 1 } { 5 } \text { hours }\)
• C) \(\frac { 5 } { 6 } \text { hours }\)

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Definitions:

Concentration

The measure of the amount of a sub-component (especially solute) in a solution, denoting how much of a substance is contained in a certain amount of another substance.

Shift

In a general sense, it refers to a change or movement from one position, state, or direction to another.

Equilibrium Constant

A number that expresses the ratio of products to reactants at equilibrium for a chemical reaction, indicating the extent of the reaction.

Ammonia

A colorless gas with a characteristic pungent smell, consisting of nitrogen and hydrogen (NH3), used as a fertilizer and cleaning agent.