(1/15) / (1/3) = 1/x
cross multiply
1/15x = 1/3
x = 1/3 * 15
x = 15/3
x = 5 hrs
Answer:
Step-by-step explanation:
18)2w+8
19. 5w-5w= 0
22) 3.4m+ 2.4m = 5.8m
20) 5x+11
23)n+5
Answer:
53.46
Step-by-step explanation:
Write the equation as shown:

Simply the equation using cross-multiplication

Swap the sides and divide both sides by 145

Finally, divide 7752 by 145 and round to the nearest 100th.
53.462069... ≈ 53.46
Hope this helped!