the value of a boat varies inversely with age. If a boat is worth $7000 when it is 3 years old, how much will it be worth when it is 7 years old

Step-by-step explanation:

let worth be y and age be x

y = k/x, where k is a constant, k ≠ 0

7000 = k/3

21000 = k

y = 21000/7

y = 3000

$3000

Topic: Direct and inverse proportions

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b. ol

step-by-step explanation:

i got the answer right on edg.

congruent: (geometry) (of figures) identical in form; coinciding exactly when superimposed.