Mathematical Expressions of these word expressions can be wrote as follows :
- Fifteen increased by a number b » 15 + b
- Five times the sum of the number x and three » 5 (x+3)
- Half the sum of the numbers s, t, and u »

- A number y decreased by four times a number p » p (y-4)
- Twelve divided by the sum of a number w and six »

- The sum of the number w and six , divided by twelve »

- Nine less than twice a number g » 9< 2g
Match the word expression with the mathematical expression :
8. 14 + 3n = Fourteen increased by the product of three and a number n (E)
9. 14 - 3/n = Fourteen decreased by the quotient, three divided by the number n (H)
10. x(3+n) = the product of a number x and the sum of three and a number n (A)
11. G
12. C
13. F
14. D
15. B