Question

4. A diver swims into the depth of the sea. He starts from the surface at a
uniform rate of 10 m/min. Find his position from the surface after 20 minutes
with respect to the surface of the sea.
$\alpha \beta \gamma$
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Answer 1

Step-by-step explanation:

Time taken to travel 20 m = 1 min

Time taken to travel 360m =

x

min

therefore:

1

20

=

x

360

(cross multiply)

20

x

=360

(isolate

x

by dividing both sides by 20)

x

=

360

20

x

= 18 mins.

Answer 2

Answer:

A diver swims into the depth of the sea. He starts from the surface at a

uniform rate of 10 m/min. Find his position from the surface after 20 minutes

with respect to the surface of the sea.=18 mins