Word problems

Form a linear equation and a word problem with solution 12.

Formulate a linear equation and a word problem, each with solution 18.

Hector can solve one word problem every 4 minutes before noon, and one word problem every 10 minutes after noon. {:("Quantity A","Quantity B"),("The number of word problems","The number of word problems"),("Hector can solve between","Hector can solve between"),("11:40 am and noon","noon nad 12:40 pm"):}

Medicine for respiratory problems is got from

Major problems faced by freshwater animals is

Paragraph for problems 9-15 Compound (C) is:

Paragraph for problems 9-15 Compound (D) is:

Paragraph for problems 9-15 Compound (F) is:

Paragraph for problems 9-15 Compound (G) is:

Paragraph for problems 9-15 Compound (B) is: