Answer:
x>9 and x<11
Step-by-step explanation:
For number 2. The pilot flew 4 circuits and in total by the 5th day he flew 14 right?
<span>of the task , we know that :
</span>
profit netto = $ 6100
<span>influenza students = 7
</span>hourly rate for one lesson of the French language = $45
<span>we do not know about
</span>
profit brutto = ? <span>denoted as x
</span><span>the amount collected lessons
for one student = ? denoted as y
x = $6100 + $200
</span>

<span>
</span>

<span>
2 away
</span>

<span>
</span>
Answer:
4:3
Step-by-step explanation:
a+b = 7 units
a = 4 units
b = 7 - 4 units
Thus,
a:b
-----
4:3
1.) 14320
2.) 32041
3.) 02413
4.) 30214
5.) 40321
6.) 21340
7.) 40132
8.) 12430
9.) 31240
10.) 21430
11.) 40312
12.) 04312
13.) 02130
14.) 34321
15.) 41203
16.) 30124
17.) 24310
18.) 33412
19.) 02143
20.) 43102
I hope you can find more