Question

A total of 25 boards are stacked on the top of each other. The thickness of each board is 2 3/4cm. How high is the stack?
step by step explanation please ​

Answer 1

Answer:

is it 68.75 cm

Step-by-step explanation:

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Answer 2

Answer:

68 whole 3/4

Step-by-step explanation:

Thickness of 1 board = 2 3/4 cm = 11/4 cm

Thickness of 25 boards = (11/4×25) cm = 275/4 cm = 68 3/4 cm

Hence, the stack is 68 whole 3/4 cm high.