Alexander is a stockbroker. He earns 12% commission each week. Last week, he sold $5 comma 300 worth of stocks. How much did he make last week in commission? If he averages that same amount each week, how much did he make in commission in 2011?

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours