Answer:
726
Step-by-step explanation:
The simple interest formula is as follows
AV=PV(1+it)
At time four this means that we have
AV=600(1+.042*5)
600*1.21= 726
Answer: 20
Step-by-step explanation:
18/20 %90
Answer:
Mason has
- 16 20¢ stamps;
- 25 3¢ stamps;
- 40 49¢ stamps.
Step-by-step explanation:
Let x be the number of 20¢ stamps, then the number of 3¢ stamps is x + 9.
Mason has 56 total 49¢ and 20¢ stamps, then the number of 49¢ stamps is 56 - x.
Amounts:
- in 49¢:
cents; - in 20¢:
cents; - in 3¢:
cents.
Total amount:

- $23.55.
Hence,

Mason has
- 16 20¢ stamps;
- 25 3¢ stamps;
- 40 49¢ stamps.
Answer: 310
Step-by-step explanation: 1240 miles /4 days = 310 miles per one day