Question

Water in a canal, 5·4 m wide and 1·8 m deep, is flowing with a speed of 25 km/hour. How much area can it irrigate in 40 minutes, if 10 cm of standing water is required for irrigation

Answer 1

$25000 \div 60$
$416.6 \times 40$
$16664$
$volume = lbh$
$16664 \times 5.4 \times 1.8$
$161,974.08{m}^{3}$