Lucy has brought in her prescription for drug X which comes in 5mg tablets. She is to take 10mg daily for a week then 10mg twice a day for the second week, finally increasing to 10mg in the morning...

Lucy has brought in her prescription for drug X which comes in 5mg tablets. She is to take 10mg daily for a week then 10mg twice a day for the second week, finally increasing to 10mg in the morning and 20mg at night for a further two weeks. How many tablets in total should have been prescribed?