Question

Helloooo any help :( ?

Answer 1

`\frac12p+2 = 3\frac12`

Explanation:

The time he spends is the sum of the mandatory 2 hours and p times the half hour per puzzle. It has to end up to 3 1/2, so that's how you get the equation.

Of course, you can solve it as

`p = (1\frac12)/(\frac12) = 3`

Answer 2

1/2p+2=3 1/2

Explanation: