It cost $4 to enter the fair. each ride costs $2.50. you have $21.50. how many rides can you go on?

I'll give brainliest if you answer right : )

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?