Answer. 4 hours
Step-by-step explanation:
48 + 8 + 8 + 8 + 8
$8 an hour and it $32 =4 hours and since they already using $48 for the movie if the they explore the town for 4 hours and then leave it will $80 in total spent
1. 86/2=43/new price of one shirt
2. 43-15=28/original price of one shirt
Your answer would be $28.
ANSWER

EXPLANATION
The given expression is

To find an expression for d in terms of a, b, and c, means we want to make d the subject of the relation.
This means that, we need to isolate d on one side of the equation while all other terms are on the other side.
We subtract from both sides of the equation to obtain,

We now divide through by -1, to get,

Or

The topic is change of subject