A tent originally cost $90 and is on sale for 60 % off .

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.