PLEASEEEE HELPPP Ben Frank is an electrician who installs lighting fixtures. He charges (in dollars) his clients 15h +40f where

Question

PLEASEEEE HELPPP
Ben Frank is an electrician who installs lighting fixtures. He charges (in dollars) his clients 15h +40f
where h is the number of hours worked and f is the number of fixtures installed.
How much does Ben Frank charge when he works 7 hours and installs 9 fixtures?

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Huyền Thanh 1 week 2021-09-05T08:43:44+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-05T08:44:56+00:00

    Answer:

    465 Dollars

    Step-by-step explanation:

    15h+40f = Amount Charged

    if: h = 7

       f = 9

    15(7)+40(9) = Amount Charged

    105 + 360 = Amount Charged

    465 = Amount Charged

    He will charge 465 dollars.

    0
    2021-09-05T08:45:40+00:00

    Answer:

    $465

    Steps and explanation of why:

    • Ben works 7 hours installing 9 fixtures.
    • This tells us that h = 7, and f = 9. So, let’s substitute h = 7 and f = 9 into the expression and evaluate:

    Step 1:

    15h + 40f

    Step 2:

    = 15(7) + 40(9)

    Step 3:

    = 105 + 360

    Step 4:

    = $465

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