Ican't solve ! picture is attached.

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

If i have one apple and give you the apple, how many apples do i have?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120