As in decimal it would be 0.4 but if you want a fraction it could be 4/10
T=number of tiles bought
cost at store 1 is 0.79t+24
cost at store 2 is 1.19t
when will be equal cost?
0.79t+24=1.19t
minus 0.79t from both sides
24=0.4t
divide both sides by 0.4
60=t
answer is 60 tiles
Each book costs $15. since he had 18 dollars left, you can subtract 18 from 108. then divide that answer by 6. 90/6 = 15.
Hope that helped!
Answer:
45÷5=9-2=7 is this the equation took so long but got the right answer
54° × π/180 = 0.9425radians