18. The sum of fifteen and a number
1
19. Five times the sum of a number y and nine.
20...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 19:10, rhettnyah
18. The sum of fifteen and a number
1
19. Five times the sum of a number y and nine.
20. The product of 3 and a number less than 10.
21. The quotient of 2 and a number increased by 5.
Solve.
22. Find the perimeter of the following rectangle:
4
3y + 2
Please
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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