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Questions by Chris from San Jose, CA

A model of a redtangular table for a dollhouse is 13 inches long and 8 inches wide. Then original table is 52 inches and 32 inches wide. Are the model table and the original table similar figures...

Matthew is baking a cake. The recipe uses 9-inch round cake pan that is 2 inches deep. Matthew has an 11-inch by 7-inch rectangle pan that is 2 inches deep and an 8-inch square pan that is 2 inches...

You toss a coin 50 times and find that the outcome was heads 20 times and tails 30. What is the theoretical probability that the next toss will have an outcome of tails?

Cameron rolls a number cube and spins a 5-part spinner, labeled 1, 2, 3, 4, and 5. What is the probability that he rolls 5 or spins a 5? Explain your answer

The cost of your mean is \$27. Sales tax is 8%. You leave a tip that is 20% of the cost if the meal. What is the total amount if your bill? Explain how to solve the problem

the actual length and width of a room is 18 feet by 12 feet. The length and width of a scale drawing of the room is 12 inches by 8 inches. What is the scale of the drawing?

Juanita has 55 postage stamps.Each week she mails 4 letters to her pen pals.What number represents the change in the number of Juanita's stamps after 8 weeks?