Lucia left a tip equal to 18% of the cost of her lunch. If she left $1.53 as her tip, what was the cost of her lunch, in dollars?

I'll give brainliest if you answer right : )

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?