Question

how many square tiles of side 8 cm will be needed to tile a floor which is 400 cm metre long and 160 metre wide​

Answer 1

Answer:

$400 + 160 = 52444 \\ x)1 = 0924 = > 1 \geqslant \geqslant \leqslant \leqslant { { {?}^{2} }^{?} }^{?}$