Q: Hartley has 4 puppies that each weigh 7.5 kilograms. The rescue center has 14 cats that each weigh 2.5 kilograms. How many kilograms more do the cats weigh than the puppies?
A: Puppies = 4 * 7.5 = 30 kg. Cats = 14 * 2.5 = 35 kg. 35 - 30 = 5. The cats weigh 5 kg more than the puppies. The answer is 5.

Q: On Monday Elisa paints 30 square feet of her house's walls. On Tuesday she paints twice that amount. On Wednesday she finishes up by painting half as many square feet as she painted on Monday. How many square feet total does Elisa paint in her house?
A: On Monday Elisa paints 30 square feet of wall. She paints 2 x 30 square feet on Tuesday = 60 square feet of wall. On Wednesday Elisa paints 1 / 2 as many square feet as she painted on Monday, 1 / 2 x 30 square feet = 15 square feet of wall. In total, Elisa paints 30 + 60 + 15 = 105 square feet of wall. The answer is 105.

Q: Micah picks 2 dozen strawberries from the field. He eats 6 and saves the rest for his mom. How many strawberries are there for his mom?
A:
Micah picks 2 x 12 = 24 strawberries. After he eats 6, there are this many strawberries left for his mom: 24 - 6 = 18. The answer is 18.