Luis earned 78 dollars last week earned 85 estimate how much hi earned over the last 2weeks

What is your estimate?

78 85 163

think about it this way: 78 is close to...80, right? ok, so what is 80 plus 85 approx?

To estimate how much Luis earned over the last 2 weeks, we can add his earnings from the previous week to the estimated earnings from the current week.

Luis earned $78 last week, and the estimate for this week is $85.

To find the total earnings over the last 2 weeks, add the two amounts:

$78 + $85 = $163

Therefore, the estimated total amount earned by Luis over the last 2 weeks is $163.