C) A researcher has extracted two samples from the same target population, sample A and sample B. Sample A has a mean of 25 kg w
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1. 
2.
3.
4.
1. Start
2. Multiply both sides by 3
3. Subtract a from both sides
4. Subtract c from each sides
2.
3.
4.
1. Start
2. Multiply both sides by 3
3. Subtract a from both sides
4. Subtract c from each sides
The weekly earning is an illustration of a linear function.
Her total earning when she sells a good worth $4800 is $637
The given parameters are:
Let the total sales be x and the total earnings be y.
So, we have:
Substitute known values
When she sold merchandise worth $4800, it means that <em>x = 4800</em>
So, we have:
Hence, her total earning is $637
Read more about linear functions at: