Jari invests in a cd with an annual interest rate of 6.90% compounded quarterly. how many years will it take for jari's investment to double. round your answer 4 decimal places and include a label

  10.1246 years (approx)

Step-by-step explanation:

Here, She invests in a CD with an annual interest rate of 6.90% compounded quarterly.

Let the initial amount or principal = P

And, Let after t years it is doubled.

Therefore,

⇒

⇒ ( By taking log both sides)

⇒

⇒t= log 2/log 1.07080599536= 10.1245504311≈10.1246 years

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

i think it might be a but you might want a second opinion