2:3
6 ÷ 2 = $3 (cost of 1 pack of butter cookies)
3 x 3 = 9 (cost of 3 packs of butter cookies)
17 - 9 = 8 (cost of 4 packs of chocolate cookies)
8 ÷ 4 = 2 (cost of one pack of chocolate cookies)
Answer:
−0.125 or - 1/8
Step-by-step explanation:
he can buy 30
21.62 divided by .78 = 30.0277777778,you dont have enough for 31
7 + 8(2r - 9)
mutiply the bracket by 8
(8)(2r)= 16r
(8)(-9)= -72
7+16r-72
7-72+16r ( rearranging)
answer:
-65+16r or 16r-65
3
Ascending order:
4 ,4 , 4 ,4 ,5, 6 ,7 , 7 ,7
9 data: split in
4 ,4 , 4 ,4 | 5 | 6 ,7 , 7 ,7
4 ,4 | 4 ,4 | 5 | 6 ,7 | 7 ,7
(7+7)/2-(4+4)/2
=7-4
=3
