Harry's assumption is wrong. He can buy single batteries for 40p each in shop A and for 45p each in shop B.
(b) Does this affect which of these two shops Harry should buy the batteries from?
Give a reason for your answer.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents