40-30=10 minutes more per day x 31 days = 310minutes in a month with 31 days.
Answer: 48.54101966249685
Step-by-step explanation:
Answer:
12.5 hours
Step-by-step explanation:
budget: 200
fix cost: 50
hourly rate: 12
hours: ?
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First we deduct the fix 50 dollars cost from the total budget.
Then we divide the remaining amount with the hourly rate
( 200 - 50 ) / 12 = ?
? = 12.5 hours