3 4 5 Oliver is a math tutor. The table below shows Oliver's earnings on the job Time (hours) Earnings (dollars) 10 $196 21 $411.60 32 $627.20 A) What is the constant of proportionality? B) Write an equation to represent this situation.

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Oliver is a math tutor. The table below shows Oliver’s earnings on the job
3 4
Oliver is a math tutor. The table below shows Oliver's earnings on the job.
Time (hours) Earnings (dollars)
10
$196
21
$411.60
32
$627.20
A) What is the constant of proportionality?
B) Write an equation to represent this situation.
DELL
Transcribed Image Text:3 4 Oliver is a math tutor. The table below shows Oliver's earnings on the job. Time (hours) Earnings (dollars) 10 $196 21 $411.60 32 $627.20 A) What is the constant of proportionality? B) Write an equation to represent this situation. DELL
Expert Solution
Step 1

Let X denotes the Time and Y denotes the earnings.

A)

The constant of proportionality k is obtained as follows:

k=yxk1=y1x1=19610=19.6k2=y2x2=411.6021=19.6k3=y3x3=627.2032=19.6

Thus, the constant of proportionality k=19.6.

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