Steve has $20 to spend. He decides buy a hat for $12.75 in the rest on candy bars. Each candy bar cost $1.25. How many candy bars can see by.

Steve spends $12.75 on a hat, which leaves him with $20 - $12.75 = $7.25 to spend on candy bars.

Each candy bar costs $1.25, so Steve can buy $7.25 / $1.25 = 5.8 candy bars.
Since Steve cannot buy a fraction of a candy bar, he can buy a maximum of 5 candy bars.