Answer:
18. Huan sold 18 pizza's. 23 - 5 = 18.
You can also start at 23, and count down to 5.
Step-by-step explanation:
$70.84
720 m²
Area = base × height
= 12 × 6
= 72 mm²
≈ 720 m² (1 mm = 10 m)
