Question

jim had $8.10 when he went to the store. When he got back, he had $3.49. How much did he spend?

Answer 1

So they are asking to subtract, therefore it is 8.10-3.49=4.61 SO HE SPENT $4.61 Hope this helped!

Answer 2

Easy, subtract

$8.10
-
$3.49

so,

8.10
-
3.49

since 1-4, is not possible, you must borrow making your problem,

   10
7.11  10   kind of tricky, but it's re-written as this to be able to subtract.
8.1    0
-
3.49

So,

7-3=4

10-4=6

10-9=1

Making it $4.61.

Thus, Jim spent, $4.61.