Brian spends $x daily and saves $y per week. What is his income for 9 weeks?


Answer:

$63x + $9y

Step by Step Explanation:
  1. Amount spent by Brian in 1 day = $x
  2. Number of days in 1 week = 7 days
    Number of days in 9 weeks = 9 × 7 = 63 days
    Therefore, the amount spent by Brian in 9 weeks or, 63 days = $63x
  3. Amount saved by Brian in 1 week = $y
    Amount saved by Brian in 9 week = $9y
  4. Therefore, Brian's income for 9 weeks = Amount spent by Brian in 9 weeks + Amount saved by Brian in 9 weeks
    = $63x + $9y

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