Answer:
$8
Explanation:
Here is the correct question: Mike bought 20 stamps for 0.40 each and 15 Century 0.32 each how much money did Mike spend on stamp.
Given: cost of each stamp is 0.40
Total stamp bought is 20.
Using unitary method
Cost of 1 stamp is 0.40.
∴ cost of 20 stamp is =
![20\ stamp * 0.40= 8](https://img.qammunity.org/2021/formulas/mathematics/middle-school/71neoax1cfuz6twj6tecqin5k6swy22f8a.png)
Cost of 20 stamp is $8
∴ Total money spent by Mike on buying 20 stamp is $8.