Questions in mathematics

Questions in mathematics

[Free] Hannah and Francine have a total of $120. Hannah and Peter have a total of $230. Peter has 6 times as much money as Francine. How much money does Hannah have?

[Free] Explain how you can use a quick picture to find \(3 \times 2.7\).

[Free] Five sweets cost 30p altogether. How much do seven sweets cost?

[Free] Mike and Bill sell cars for Jangles Auto. Over the past year, they sold 640 cars. Assuming Mike sells 3 times as many as Bill, how many cars did Mike sell?

[Free] Each batch of Mrs. Crawley's toffee makes 14 pieces. If Sandy needs 8 dozen pieces of toffee, how many batches does she have to make?

[Free] For the Christmas dance, the dance committee needs three hours of music. Each song is an average of 3.5 minutes. How many songs do they need?

[Free] Expand and simplify: \[ 2(3m + 4) + 3(m - 5) \]

[Free] Bill and Ron build towers using blocks. The expression \(4b + 2\) represents the number of blocks Bill uses. The expression \(8b - 5\) represents the number of blocks Ron uses. Complete the expression to represent the total number of blocks Bill and Ron use. Total blocks = \( (4b + 2) + (8b - 5) \)

[Free] A boy is 24 years younger than his father. In 2 years, the sum of their ages will be 40. Find the present ages of the father and son.

[Free] A spider has 8 legs, and an ant has 6 legs. There is a group of spiders and a group of ants. The groups have an equal number of legs. What is the least number of spiders and ants in each group? Show your work.