Question

find the number of coins 1.5 CM in diameter and 0.2 CM thick to be melted to form a right circular cylinder of height 5 cm and diameter 4.5 CM

Answer 1

$4.5 = 2.25 = \frac{225}{100} \\ 1.5 = 0.75 = \frac{75}{100} \\ hope \: this \: ans \: will \: help \: you$

Answer 2

Hey !!
See the linked image.
Hope it helps you ☺️