4 A driver has a journey of 300 km to complete. On one particular journey she travelled 10km/h faster than her usual average speed and her journey took 1 hour less. What is her usual average speed?

answer: 180

step-by-step explanation:

12-2=10

20-2=18

18x10=180

i am sorry it just submitted an answer but the answer is 365 boys. hopes this

step-by-step explanation:

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart