Helloo Nabeel travelled to London by train, her journey was made up of two parts.

One train into York and then another train into London.

The first train departed at 07:05 and the journey lasted for 12 minutes.

The second train departed at 07:27 and the journey lasted for 122 minutes.

The total distance travelled was 197 miles.

What was Nabeela's average speed for the entire journey?

1.47 miles/min (to 3sf)

Step-by-step explanation:

Total amount of time taken for both parts of the journey

= 12 minutes + 122 minutes

= 134 minutes

Average speed for the entire journey = 197 miles ÷ 134 minutes

                                                              = 1.47 miles/min (to 3sf)

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to