ab + a + 4b+4 = a(b+1) + 4(b+1) = (b +1)(a + 4)
All up there are 20 marbles and only 6 of those are chances of winning so we make it into a fraction 6/20 then times 20 by five to get to 100 (what ever we do to the bottom we do to the top) times 6 by five giving you a fraction of 30/100 then divide 30 by 100 giving you 0.30 ANSWER EQUALS = 0.30
Ask your teachers if you can still turn them in
Add 5ft 7in and 4ft 8in together
5ft 7in + 4ft 8in = 10ft 3in
