Staghorn coral is a type of branching coral. it can add as much as0.67 foot to its branches each year . be a math detective and find how much a staghorn coral can grow in 5 years

1)  first step

in this exercise you must establish a relation of proportion

if a staghorn coral can add as  0,67 foot per year then in 5 years  can grow X

0,67 foot 1 year

    X 5 years  

X = 5 × O,67/ 1 = 3,35 ,  a staghorn coral can grow 3,35 foot in 5 years  

answer: i think it is (1,-2)