Step-by-step explanation:
let length of the pool be l feet and width be w feet.
l = 2w + 1 --(1)
2(l + w) = 74 --(2)
sub (1) into (2):
2(2w + 1 + w) = 74
6w = 72
w = 12
therefore, length is 25feet and width is 12feet
Topic: Simultaneous eqn
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