At lord & taylor, joyce cook and francis key sold a total of 870 cosmetic kits. joyce sold 5 times as many kits as francis. how many did each sell?

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

the answer will be b x² +x-1

step-by-step explanation:

the correct answer is 1.7