A supermarket has 28 employees. The owner of the supermarket pays each employee 320 per week. After paying his worker for one week the owner has 247 left in his bank account. How much money did he have at first?

The owner of the supermarket had 9207  at first

Step-by-step explanation:

The key to unlocking this question is to first of all determine how much the supermarket owner paid to employees:

amount paid as weekly wages=number of employees*pay per employee

there are 28 employees

the pay per week is 320 each

amount paid as weekly wages=28*320=8960

The amount the owner of the supermarket had at first is the amount paid as weekly wages plus the balance left after the wages have been settled.

balance after payment of wages is 247

Amount he had at first=8960+247=9207

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