How many weeks in 45 years?

Why does the maths book have so many problems? What is feet in measurement? What is this equation 4 bracket x plus 3 bracket equals 4x plus 12 open sentence or identity? What numbers go into one hundred? How many minutes is 10 percent of a day? What 24959 to the nearest 1000? What is the symbol of the number e? What does interval training do for an athele? What are multiples of 363? Is harder to stop a rolling bowling ball than a rolling ping pong ball when both are rolling at the same velocity Which is this an example of? What is the word form of 76239? What numbers go into 63 and 36? Who was the first ex-member of Take That to have a number 1 single? What is 2 minus three fifths? How do you convert 6 inches to 1 foot? How do you convert 0.33g to mg? What is the average number of tickets sold daily online is an example of? What do you call the polygon with 5 sides? How do you write 0.026 in scientific notation? When a grandfather is 65 years old and his grandson is 20 How many years ago was the grandfather six times as old as the grandson?