Answer:
s=7w + 85..$141 in total for 8 weeks
The first few multiples of 6 and 9 are (6, 12, 18, 24, 30, . . . ) and (9, 18, 27, 36, . . . )
64,781 --- 4,000
25,409 --- 400
4,000÷400=10
whatcha tryna accomplish here bud....
