Answer:
38.4
Step-by-step explanation:
48*20%=9.6 48-9.6=38.4
you don't have enough info, we need to know how old he was when he was twice her age, or how old she was
Answer:
600 m³
Step-by-step explanation:
The shape we have is a rectangular pyramid:
Formula:<u><em> (volume of a rectangular pyramid)</em></u>
Volume = (1/3) × Base Area × height
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In our case :
Base area = L × W = 20 × 18 = 360 m²
height = 5 m
⇒ Volume = (1/3) × Base Area × height

