First find the Unit Rate by dividing 98/8 which is : $12.25 per hour. Then divide $441 by $12.25. The answer is 36. You would have to work 36 hours to earn $441.
It the fourt day the total is 0.70 because Day one: .10 Day two: you double it so .20 Day three: you double it again so .40 Day four: you add .30 so .70 is the total