Tiana has already plepared 6 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How many hours did Tiana work if she prepared 15 kilograms of dough?

9 hours

Step-by-step explanation:

6 kilos done - 15 total kilos = 9 to do

1 kilo/1 hour is the rate so 9 kilos/9 hours

9 hours in total

if not this is actually a trick question because it asked how many hours which then would mean 15 hours because the rate is 1 kilo/1 hour

dude thats to long figure it

step-by-step explanation: