Food delivery giant Deliveroo has agreed to a takeover by its US rival DoorDash in a deal worth around £2.9 billion. San Francisco-based DoorDash will pay 180p a share in cash for London-listed Deliveroo in a move set to create a combined firm with a presence across 40 countries and handling about 90 billion US dollars (£67.7 billion) of orders each year. #deliveroo #doordash