Answer:
Explanation:
To determine the total amount of money Cheng spent on lunches for one full week, we need to multiply the amount he spent per day by the number of days in a week.
Given that Cheng spent $12.50 per day on lunch, we can calculate the total amount as follows:
$12.50 x 7 days = $87.50
Therefore, Cheng spent a total of $87.50 on lunches for one full week.
To calculate this, we multiplied the cost per day ($12.50) by the number of days in a week (7 days). This gives us the total amount of money Cheng spent on lunches.