I believe the answer is C
A cardinal number of a set is the number of elemenents it contains. Therefore the cardinal number of A is equal to 5.
The answer is 5 I had this question before
Answer:
Step-by-step explanation:
so jin paid a total of (140 + 16) = 156
this is 130% of what stefan spent
so 130% of what stefan paid equals 156
let x represent what stefan paid
turn ur percent to a decimal
1.3x = 156
x = 156/1.3
x = 120 <== what stefan originally spent
and stefan made : (156 - 120) = $ 36 <==
