Answer: 1. 33 , 2. 21 , 3. $5.00 , 4. 39.
Step-by-step explanation:
4. Let the original number of baseball trading cards in Tim's possession be
x
An equation to arrive at the number will be:
x
+
9
2
=
24
This is because half the collection AFTER adding
9
new cards is
24
(the other half was eaten by his dog).
Multiply both sides by
2
.
x
+
9
=
48
Subtract
9
from both sides.
x
=
39
Answer:
The bank in which Jane has invested.
Step-by-step explanation:
For Tommy's Bank:
P = $400
t = 5 years
I = $76
Simple interest formula is given by
For Jane's Bank:
P = $1000
t = 2 years
I = $82
Simple interest formula is given by
Since, Jane's bank has higher interest rate. It means one can get higher interest if invest in this bank.
Therefore, we should prefer the bank in which Jane has invested.
The answer is
Pi times 34 times pi= 335.6