Answer :
Answer:
8%
Step-by-step explanation:
cost = price × (1 + tax rate)
30.24 = 28 × (1 + r)
30.24 = 28 + 28r
2.24 = 28r
r = 2.24/28
r = 0.08
r = 8%
Answer: 8%
Answer:
8%
Step-by-step explanation:
cost = price × (1 + tax rate)
30.24 = 28 × (1 + r)
30.24 = 28 + 28r
2.24 = 28r
r = 2.24/28
r = 0.08
r = 8%
Answer: 8%