Acomputer store buys a computer system at a cost of $474.60. the selling price was first at $ 791, but then the store advertised a 40 % markdown on the system. answer parts a and b.

a. Profit = $316.6

b. Profit=$0

Step-by-step explanation:

The computer store buys the computer at $474.40. If it sells it for $791 it will make a profit of:

But if it marks it down by 40% the selling price wwill be:

There it wont make a profit

Step-by-step explanation:

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

could you provide figure.