Grades 1 - 5: Annie looked into a dog park and observed the dogs and their owners. She counted 50 legs. With a total of 16 "beings" (dogs and/or owners), how many dogs and how many owners are in the dog park? (Hint: Annie is not in the dog park.)
Grades 6 and up: If 64 is 40% of a number, what is 60% of the same number?
Answers to Last Month's Math Muscle Challenge
Grades 1 - 5: 6.25 seconds
Grades 6 and up: 20 gallons