Explain how to use a model to show 2/6 ÷ 1/12 and 2/6 ÷ 4

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The area of square garden is 300m squared. how long is the diagonal?