Sam is hired for a 20-day period. on days that he works, he earns $60. for each day that he does not work, $30 is subtracted from his earnings. at the end of the 20-day period, he received $660. how many days did he not work? a) 2b) 4c) 6d) 3

He did not work for 6 days

Step-by-step explanation:

Sam is hired for a 20-day period.

Let x be the no. of days he did not work

So, No. of days he worked = 20-x

he earns per working day = $60

So, he earns for (20-x) days = 60(20-x)

For each day that he does not work, $30 is subtracted from his earnings.

So, Amount deducted for x days = 30x

So, His earning for 20 days =

We are given that At the end of the 20-day period, he received $660

So,

So, he did not work for 6 days

So, Option C is true

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