To determine how much money Jaden will earn for 4 lawn-mowing jobs and 6 pulling-weeds jobs using the given equation \(25l + 20w\), we can substitute \(l = 4\) and \(w = 6\) into the equation.
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Substitute the values into the equation: \[ 25(4) + 20(6) \]
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Calculate each term: \[ 25(4) = 100 \] \[ 20(6) = 120 \]
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Add the results: \[ 100 + 120 = 220 \]
Thus, Jaden will earn $220 for 4 lawn-mowing jobs and 6 pulling-weeds jobs.
The answer is $220.