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PLEASE HELP! 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?

Respuesta :

1.) 7.2 2.) 15 3.)12
4.) 23 5.) 100, 100, 1000
number three is twelve ? :)

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