The Girl Scouts are having their annual cookie sale. Emily sells 5 boxes of cookies each day. After 7 days, Emily still has 18 boxes left to sell. How many boxes of cookies did Emily have at first?

Vicky has 5 stickers. Tracy has 3 times as many stickers as Vicky but only half as many as Meghan. How many stickers does Meghan have?

Mr. Clark gave 4 lollipops to each of his 8 students. Now he only has 19 lollipops left. How many lollipops did Mr. Clark have at first?

Lilac is reading the latest Magic Maggie book. She reads 9 pages each day. After 4 days, Lilac still has 47 pages left to read. How many pages are in Lilac's book?

There are 24 bicycles for sale at Wheelworks. One half of the bicycles are red. Three of the bicycles are black. The rest are blue. How many bicycles are blue?