! 28 POINTS! 1. 40% of what number is 18? 2. A restaurant wants to study how well its salads sell. The


! 28 POINTS!
1. 40% of what number is 18?
2. A restaurant wants to study how well its salads sell. The circle graph shows the sales over the past few days. If 5 of the salads sold were Caesar ​salads, how many total salads did the restaurant​ sell?
3. Alan has read ​10% of a book. He has 10 more pages to finish. How many pages are there in the​ book?
4. Jess gave her hair stylist a ​$4.60 tip. The tip was ​20% of the cost of the . Write an equation to find​ b, the cost of the haircut.
5. Solve each of the number sentences and describe the pattern.
​90% of what number is ​90?
30​% of what number is ​30?
​464% of what number is ​464?


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