PLEASE HELP ASAP!! Will give 20 points You start with 100 dollars in your bank account. At your favorite coffee shop you purchase 7 lattes that cost 5 dollars each. Write an expression to describe how much money you will have left in your bank account after you buy 7 lattes. Use the letter n for your variable.

Write expression:

What is your balance after buying 7 Lattes

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)