You are buying balloons for a party. A small balloon costs $2. A large balloon costs $3. Write an algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 11 small balloons and 5 large balloons.

Cost for something=how many you are bying times how much each cost

cost for total of small ballons=x times 2 or 2x

cost of total of big ballons=y times 3 or 3y

total is costsmall+costbig=2x+3y

so

TC=2x+3y

if you have 11 small and 5 big (x=11 and y=5), what is TC?

input

TC=2 (11) + 3 (5)

TC=22+15

TC=37

total cost is $37

Do 11 x 2 and 5 x 3 in $