At the dog show, there are 4 times as many boxers as spaniels. if there are a total of 30 dogs, how many dogs are spaniels?

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Type the next three numbers in a sequence 80, 90, 85, 95, 90, 100, 95, 105