The blacksmith had two identical iron wires, which were used for making two chains containing 80 and 100 links accordingly. Each of the links in the shorter chain was 5 grams heavier than that in the longer one. What was the weight of each chain ?
PLEASE HELP I NEED THIS NOW!!!

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.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

How to simply and write the answer n a whole number