Unit 6 · Algebra
Lenny Gets $1.60 — How Much Did Alan Give Kiana?
Lesson 19 of 24
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About this lesson
Lenny got $1.60. Double it to get Jason’s amount ($3.20). Double again to get what Alan had left ($6.40). Subtract from $10 to get Kiana’s amount: $10 − $6.40 = $3.60.
Chapters
0:00Introduction
0:23The Question
0:58Uncovering Jason's original fund
1:26Reconstructing Alan's post-Kiana remainder
1:52Isolating the initial gift to Kiana
2:24Exam strategy — the operator inversion timeline
3:04Confirming the final option
Question
Alan had $10. He gave some of this money to Kiana.
Alan then gave half of what he had left to Jason.
Jason gave half of what he was given to Lenny.
Lenny received $1.60.
How much did Alan give to Kiana?
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