In January, a toy store sold 846 puzzles. Each puzzle cost $5, including tax. What was the total cost of the puzzle sold, including tax? * $4, 320
$4, 230
$4, 302
$4, 203

$4,230

Step-by-step explanation:

There are 846 puzzles sold and including tax, it is $5 per puzzle. Multiply the amount of puzzles by cost and you get the total cost of all puzzles sold including tax.

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

5+2x=a

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