Question

If Mary earns $\$$1234 as her income every day, in 7 days she earns .

• A. $\$$8538
• B. $\$$8638
• C. $\$$7538
• D. $\$$7638

Answer 1

The correct option is B $\$$8638

Mary's per day income = $\$$1234
∴ Mary's income in 7 days = 1234 $\times$ 7

Calculating 1234 $\times$ 7 using the area model, we get:


Hence, Mary's income in 7 days is $\$$8638.