Answer: 4.5 years
Step-by-step explanation:
Mr. Hasson grew at a rate of 1/6 feet per year in high school
let ‘x’ be each year Mr.Hasson grows
therefore, 1/6x
5 1/2+1/6x=6 1/4
subtract 5 1/2 from both sides
1/6x=3/4
divide both sides by 1/6 to isolate the variable
x=4.5
it took Mr. Hasson 4.5 years to grow from a height of 5 1/2 feet to a height of 6 1/4 feet
