Total Cost: Buying 7 oranges

easyGrade 2-4total cost

The Problem

Sarah buys 7 oranges. Each orange costs $3. How much does Sarah spend in total?

Answer:

$21

Key Information

  • Price per orange: $3
  • Number of oranges: 7

Formula

Total Cost = Price × Quantity

Step-by-Step Solution

1

Identify the price and quantity

Price per orange = $3, Quantity = 7
2

Set up equation

Total cost = Price × Quantity
3

Substitute values

Total cost = $3 × 7
4

Calculate

3 × 7 = 21
5

Final answer

Sarah spends $21

Common Mistakes to Avoid

  • Adding instead of multiplying
  • Using wrong numbers

Helpful Tips

  • Multiply price by quantity to get total
  • Double-check which number is the price and which is quantity

Real-World Application

Calculating total cost is essential for budgeting and shopping.

Related Topics:

moneyshoppingmultiplicationword problems

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