Concept explainers
Samantha earns $22 per hour as a plumbing apprentice. How much does she earn per minute in cents?
a. What conversion factors would she use?
b. What amount does she earn per minute in cents?
a.
To find: we are asked to convert Dollar per hour to cents per minute.
Answer to Problem 7STP
Conversion factor is
Explanation of Solution
Given information: Samantha earns $22 per hour.
Concept used: conversion factor as
Calculation:
We know 100 cents is 1 dollar.
1 hour = 60 minutes.
Let’s use conversion factor as
b.
To calculate: The amount she earns per minute.
Answer to Problem 7STP
She earns 36.67 cents per minute.
Explanation of Solution
Given information: Asked to change $22 per hour to cents per minute.
Calculation:
Conversion factor is
So, we use
Let’s simplify it.
We get 36.666…. cents per minute.
She earns 36.67 cents per minute.
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