A pictograph shows that each picture of a car represents 3 cars sold by a dealership. If there are 5 pictures of cars in the pictograph, how many cars did the dealership sell in total?

When solving routine problems using data presented in a pictograph without scales, what should you pay attention to?

How can you solve nonroutine problems using data presented in a pictograph with scales?

A pictograph with scales shows that one picture of a tree represents 50 trees planted. If the pictograph displays 6 pictures of trees, how many trees were planted in total?

In a pictograph, if 2 pictures of a book represent 10 books read by a class and there are a total of 8 pictures of books, how many books did the class read?

If a pictograph depicts that 5 apples are equivalent to 20 units and each pictogram of an apple represents 4 units, how many apples are needed to represent 40 units?

When using data presented in a pictograph with scales, what role does the scale play in interpreting the information?

In a pictograph without scales, how is the data typically represented?