1.

[Algebra, 3 Points] A mother divides $42 between the ages of her two sons by the ratio of 3 to 4. How much the elder son will have? A) $16 B) $18 C) $20 D) $24 E) $30 [Combinatorics, 3 Points] Helen is going to a local bicycle shop to purchase a bicycle. She may choose a 5-speed, 10-speed, 15-speed, or 21-speed bike. She may choose a green, red, or blue bike. How many possible combinations are there? A) 6 B) 8 C) 9 D) 10 E) 12