For every sandwich that he eats, Sam eats four apples. If he eats 10 sandwiches every day for one week, how many apples does he eat?
##Solution## Ten sandwiches every day for one week is 7*10 = <<7*10=70>>70 sandwiches.
For every sandwich that Sam eats, he eats four apples, and since he ate 70 sandwiches, he ate 70*4 =<<70*4=280>>280 apples.
#### 280