Kevin works 3z hours each day from Monday to Friday. He works (4z-7) on Saturday. Kevin does not work on Sunday. Find the number of hours Kevin works in one week in terms of z
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Monday to Friday total work hrs= 5×3z
on Saturday =4z-7
so in one week,total work hrs = 15z+4z-7
=19z-7
on Saturday =4z-7
so in one week,total work hrs = 15z+4z-7
=19z-7
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