A boy sold 100 tickets in five days. Each day he sold 6 more tickets than he had sold the previous day. How many tickets did he sell on the first day?
Hello, Amy!
This could be solved as an Arithmetic Sequence, but we'll do it the easy way . . .A boy sold 100 tickets in five days.
Each day he sold 6 more tickets than he had sold the previous day.
How many tickets did he sell on the first day?
Let = number tickets he sold the first day.
Then: .
He sold a total of: . tickets.
We are told that he sold 100 tickets.
There is our equation! . . .
. . and we have: .
Therefore, he sold 8 tickets the first day.