That is what we have averaged for years.
I do use coupons, but honestly rarely (no doubling here).
I shop sales--if it isn't on sale, I generally don't buy it (tho there are some things we really like & buy each week no matter what). Non-perishable staples are stocked up on when on sale. But if we are having a lean month, I don't stock up at all.
We nearly only eat ground beef/turkey or chicken (breasts or whole). I don't buy a lot of processed foods, but I am feeding 3 teens so snacks are necessary. We stick w/ store brand tortilla chips, pretzels & graham crackers. Lots of fresh fruit & veggies--this week I almost grabbed grapes at $2/lb, but caught myself...we had plenty w/ what was on sale. (apples/bananas are bought all year round).
One key is to have a well-stocked pantry/freezer/fridge. I can make dinner any time with what I have on hand. Our children are very busy, so evening meals are often on the fly--they have many items that they can create meals from--nachos, sandwiches, frozen pizza, chicken nuggets, fish sticks, hot dogs, canned soup, pasta-roni. (tried to eliminate these processed foods, but they are essential to our schedule) I can always thaw burger & make sloppy joes, spaghetti, etc.
The well-stocked pantry minimizes the grabbing take out because there is nothing to eat. I HATE spending $ on fast food for my family--an unsatisfying meal that is 3x more than I would spend at home. Now, sometimes our schedule dictates, but again--we minimize. We do usually eat out at a sit down restaurant once every week or 2...more pleasant than fast food.