68% is around 70%
70% of 1 is 0.7
0.7'*3=2.1
Hope this helps :)
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.
The answer is $29.3 because you multiply 2.93 times the ten gallons of gas.
It’s true!! Hope this helped!!!!
342
Explanation (18*8)+(9*10)+(18*6)