Answer:
15
Step-by-step explanation:
x • 4/5 = 12
Multiply both sides by 5/4 to cancel out the 4/5
12 • 5/4 = 60/4
60/4 = 15
x = 15
Plug in 15 for x to make sure it works.
15 • 4/5 = 60/5
60/5 = 12✓