Walk the plank by W. M. Akers what is the main idea

Tommy decides to become the captain and order Jack to walk the plank because he is frightened of walking the plank himself. He is also clearly tired of taking orders from Jack , as evidence by his response to Jacks order to hand over the cookies. Tommy must have been taking Jacks orders for a while , since Jack is always captain. this may suggest that Tommy ordered Jack to walk the plank as revenge for his earlier unfairness

Explanation:

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this is the answer , p = 1 + (1/10)x

step-by-step explanation:

we have,

at sea level pressure is 1 atmosphere (i.e at x =0, p0=1 atmosphere)

at depth 23 meters , pressure = 3.3 atmosphere

since the pressure increases at constant rate as the depth increases, so we can write a relation as:

p =p0 +   kx   , where p is the pressure  , p0 is the initial pressure, x is the depth and k is constant rate of increasing.

to find constant rate k, plug p = 3.3 , p0 = 1 and x= 23 meters

we get,

  3.3 = 1 + k * 23

k = 2.3 / 23   = 1/10

so we can write the function formula as:   p = 1 + (1/10)x

what passage are you referring to