Aisha saves pocket money over 4 weeks: $2.35 in Week 1, $1.80 in Week 2, $3.05 in Week 3, and $2.20 in Week 4. How much does she save altogether?
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Worked Solution
Step 1 Add Week 1 and Week 2: $2.35 + $1.80. Cents: 35 + 80 = 115¢ → write 15¢, carry $1. Dollars: 2 + 1 + 1 = $4. Result: $4.15.
Step 2 Add Week 3: $4.15 + $3.05. Cents: 15 + 5 = 20¢. Dollars: 4 + 3 = $7. Result: $7.20.
Step 3 Add Week 4: $7.20 + $2.20. Cents: 20 + 20 = 40¢. Dollars: 7 + 2 = $9. Result: $9.40.
Answer: Aisha saves $9.40 altogether.
Correct answer: $9.40
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