Write a mathematical expression for each of the following: a. A number is added to 12 and then doubled
b. 4 times a number
c. Twice a number plus 12
d. The cost of a gift is equally shared among three people

Use the variable given to write an expression to describe each situation:

a. How many seconds are in a minute?
b. IfIanisnownyearsold, howoldwillhebein2years?
c. Rita has pkg of peanuts and 10kg of walnuts. What is the combined weight of the
nut mixture?
d. A farmer has c chickens. She sells 3 of them for $6 each and the rest she sells
for $5 each. How much money will she make?