What is x/3+10=15 using two step

A50% increase followed by 33 1/2% decrease

Which is the scale factor proportion for the enlargement shown?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.