I believe you have to do a cross product formula.
2174/x = 28.19/100
Y/3=x or y divided by 3 is equals x. They are the same thing just but the equation in word form.
<h2>♪Answer : </h2>
»f(x) = 9(9 + x)(10)
subtitute x = 2 for f(x).
»f(5) = 9(9 + 5)(10)
»f(5) = 9(14)(10)
»f(5) = 1,260✅
Answer:
10
Step-by-step explanation: