Here are the solutions to the problems:
26.
Step 1: Identify the given values.
Thickness of one kamusi = 4.2 cm
Number of kamusi = 125
Step 2: Calculate the total thickness.
Total thickness = Thickness of one kamusi × Number of kamusi
Totalthickness=4.2cm×125
Totalthickness=525cm
The total thickness of the kamusi is 525cm.
27.
Step 1: Identify the given values.
Mass of one piece of metal = $