therefore 2 = 3.
PARCEL POST LIMITATIONS
20. Our Parcel Post regulations limit the length of a parcel to 3 feet 6 inches, and the length and girth combined to 6 feet. What is the largest parcel of any size that can be sent through the post under these conditions?
21.
How can we show, or seem to show, that either four, five, or six nines amount to one hundred?
TEST YOUR SKILL
22. Can you arrange nine numbers in the nine cells of a square, the largest number 100, and the least 1, so that the product by multiplication of each row, column and diagonal is 1000?