Solve
-Linda and Dave Leave Simultaneously from the Same Starting $2 \frac { 1 } { 7 } \mathrm { hr }$

question 277

Multiple Choice

Solve.
-Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 5 miles per hour and Dave bikes at 9 miles per hour. How long will it be until they
Are 30 miles apart from each other?

• A) \(2 \frac { 1 } { 7 } \mathrm { hr }\)
• B) \(7 \frac { 1 } { 2 } \mathrm { hr }\)
• C) \(\frac { 7 } { 15 } \mathrm { hr }\)
• D) \(\frac { 2 } { 3 } \mathrm { hr }\)

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Definitions:

Social Allergy Effect

A phenomenon where repeated exposure to certain behaviors or habits of others leads to an increasingly negative and irritated reaction over time.

Irritated

Feeling annoyance or discomfort, often due to a specific cause or situation.

Partners' Annoying Habits

Behaviors or actions by a partner in a relationship that are irritating or bothersome to the other person.

Propinquity Effect

The tendency for people to form friendships or romantic relationships with those whom they encounter often, making physical proximity a factor in relationship formation.