Washington (CNN) - Key Republican-leaning groups are launching a final week ad blitz totaling almost $50 million.
The Republican super PAC American Crossroads and its affiliate Crossroads GPS are buying more than $28 million in both presidential and Senate battleground states, a group spokesman told CNN.
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Restore Our Future, the super PAC whose primary aim is to support Republican nominee Mitt Romney, announced a $20 million ad campaign that is aimed at President Obama's economic record. Beginning Tuesday and running through Election Day, it will air commercials nationally on broadcast TV and in the swing states of Colorado, Iowa, Nevada, Ohio, Virginia and Wisconsin.
One of the spots it will air is called "Flatline" and says "If you saw this line in the ER, you'd be panicked. Well, this flatline is Barack Obama's economy. Twenty three million looking for full-time work. Middle-class incomes falling. Spending and debt exploding. And Obama's second term agenda is the same as the first" then warning "if you don't jump-start America's economy now, your economy stays dead four more years."
As CNN previously reported, the group is also starting to go on the air in Pennsylvania, where Republicans think they are seeing a narrowing as well in Michigan, where the it has consistently advertised the last month, and Maine, which splits its electoral count by congressional district.
American Crossroads' final week of ads for the presidential race is for $17.7 million worth of TV time in eight swing states: Colorado, Florida, Iowa, New Hampshire, Nevada, North Carolina, Ohio and Virginia according to the group. It is not going up this week in Wisconsin or Minnesota.
The buy will include a new spot "Debate" aimed at women voters emphasizing jobs and debt. It features a woman reacting to the presidential debates looking straight to the camera saying "Mr. President I was hoping to hear you had a new plan. But all I heard was keep spending. I haven't made any mistakes. But your spending hasn't done a thing for my family. What do I tell my kids about the debt they will pay for, about finding jobs. Mr. President what about your first term tells me another four years would be better."
As part of its spending on the presidential race, its affiliate, Crossroads GPS, is buying time for Spanish ads in Colorado, Las Vegas and Miami and for a spot featuring a couple whose sick child Romney helped.
Crossroads GPS and American Crossroads also have bought $10.5 million of ad time aimed at key Senate races, including those Indiana, Maine, Montana, Nebraska, North Dakota, Ohio, Virginia, and Wisconsin.
- CNN Political Editor Paul Steinhauser contributed to this story.