So slot meathod
6 slots, 13 in first
2nd=13-1 sice 1 used for first
and so on till 6 slots filled
so we have
13,12,11,10,9,8
mutily them
13 times 12 times 11 time s10 times 9 times 8=1235520 ways
Answer:145
Step-by-step explanation:x-5+3x+25=180
4x+20=180 4x=160 x=40. <k=120+25=145
Answer:
answers are (1+0.13)x and 1.13x
Step-by-step explanation:
i did this one last year and got it right :)