Wei Lin has k stickers. Ravi has 3 times as many stickers as Wei Lin, minus 5. Which expression shows how many MORE stickers Ravi has than Wei Lin?
Show Worked Solution
Worked Solution
Step 1: Write an expression for Ravi's stickers.
"3 times as many as Wei Lin, minus 5" → 3k − 5
Step 2: Wei Lin has k stickers.
Step 3: How many MORE does Ravi have than Wei Lin?
Difference = Ravi − Wei Lin = (3k − 5) − k
Step 4: Simplify.
3k − k − 5 = 2k − 5
The expression is 2k − 5.
Correct answer: 2k − 5
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