Answer:
b > 20
Step-by-step explanation:
1. isolate the b
3/4 • b > 15
Multiply both sides by inverse fraction 4/3:
3/4b • 4/3 > 15 • 4/3
Group like terms:
3/4 • 4/3 • b > 15 • 4/3
Simply the fraction:
b> 15 • 4/3
Multiply the fraction:
b> 15 • 4 / 3
Simplify the arithmetic:
b > 20
