Let that certain number be 'n'
50% (n) = 39
50% ⇒ 0.5
0.5 (n) = 39
Divide both sides by 0.5
0.5n = 39
/0.5 /0.5
n = 78.
So that certain number is actually <em><u>78! :)</u></em>
CROSS CHECK:
50% of 78
0.5 × 78
= 39
Hope this helps! :)
It will be 165.85365853658536. Hope this helps !!
Answer:
60m
Step-by-step explanation:
Multiply length times width times height so basically 5mx4mx3m=60m
Hope this helped :)