Question

An ice cream truck started the day with 45 ice cream sandwiches. During a stop at a busy park they sold s ice cream sandwiches. After the stop, the truck had 21
ice cream sandwiches remaining. Write an equation to describe this situation. How many ice cream sandwiches did the truck sell at the park?

Answer 1

$45 - s = 21 \\ s = 45 - 21 = 24$
The answer is 24

Answer 2

45-21=s
(the answer is 24 btw. you can check this by adding 24 and 21 to get 45 c:)