Answer:
She estimated by rounding 245 to nearest tens and rounding 222 to nearest five.
Step-by-step explanation:
Given,
The miles she drove last week = 245
Since, 245 ≈ 250 ( because the ones place digit is 5 that is we will round up )
Also, the miles she drove this week = 222,
∵ The nearest 5 of 222 is 225,
Thus, the total miles she drove = 245 + 222 ≈ 250 + 225 = 475 miles
