Sam's age = (1/2)a - 10 or a/2 - 10
if a = 40
Sam = (1/2)(40) - 10
= 10
match that up with your choices
Sam is 10 years younger than one-half the age of his aunt. Let a represent his aunt’s age. Which shows his aunt’s age written as an algebraic expression and Sam’s age if his aunt is 40?
mc020-1.jpg; when mc020-2.jpg Sam is 2 years old
mc020-3.jpg; when mc020-4.jpg Sam is 6 years old
mc020-5.jpg; when mc020-6.jpg Sam is 10 years old
mc020-7.jpg; when mc020-8.jpg Sam is 30 years old
5 answers
Sam is 10 years younger than one-half the age of his aunt. Let a represent his aunt’s age. Which shows his aunt’s age written as an algebraic expression and Sam’s age if his aunt is 40?
Tawny wrote an expression to represent “the quotient of 82 and a number, decreased by 26.” She then evaluated the expression when n = 2. Which statements are true about the expression and its value? Check all that apply.
what's the answer
Sam is 10 years old because 20 is half of 40 and 20 subtract 10 is 10