Question

how many 3cm cubes can be formed by melting a 15cm cube of metal​

Answer 1

Answer:

$let \: the \: number \: of \: cubes \: be \: formed \: be \: n \\ \\ volume \:of \: big \: cube = {15}^{3} \\ \\ volume \: of \: small \: cube \: = {3}^{3 } \\ {15}^{3} = n \times {3}^{3} \\ n = 125 \:$