Related Clues:

• Two might go in here
• That's in 24 down and that's flat
• 4/5 of 7, 7 isn't
• As is usual, she gets to the half-century
• 4/5 x 7 is not this sort of number
• Neither odd nor the start of 13 across gets over half a century
• She gets to fifty, as usual
• The odds are that it's not one of them
• Not usual, and not to be a mother over fifty, either
• There's nothing extraordinary in her being over fifty
• As usual, she gets to fifty
• The way two will go in
• And neither is Mother getting to fifty, as usual (6)
• It's not so odd for this to be 4/5 x 7
• Planed so late in the day