Answer:
15/2
Step-by-step explanation:
2/3x-1=4
2/3x=4+1
2/3x=5
x=5/(2/3)
x=(5/1)(3/2)
x=15/2
Answer:
8
Step-by-step explanation:
18-12
12-X
X=12*12/18
X=8mm
The answer is 13 packages.
Answer:
1=30
2=90
3=21
4=39
5=39
6=24
7=24
8=66
9=66
10=21
11=60
12=120
13=60
14=120
15=48
16=105
17=27
18=129
19=51
20=129
21=51
Step-by-step explanation:
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