There’s Two Truths and One Lie Below are three statements. 2 are true and one is not. Which one of the
statements is not true? Explain how you know this.

1) To solve x - 3 = 6, you could add 3 to both sides.

2) To solve x - 3 = 6, you could subtract 3 from both sides.

3) To solve x - 3 = 6, you could think of a number that when you subtract 3 would
give you 6.

Use the ( RACE )method to answer. Type your answer in the box below using complete
sentences. Your answer should have at least 2-3 sentences.
R: Restate the problem
A: Answer the question
C: (not used in math)
E: Explain

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.