7. Lester weighed n kilograms. Express algebraically his weight after he gained 2.5
kilograms.
A. 2.5 xn
B. n + 2.5
C. n-2.5
D. n/2.5
8. If thrice a number is increased by 11, the result is 35. What is the number?
A.7
B. 8
C. 9
D. 33
9. Seven less than twice a number is 15. What is the number?
A. 11
B. 12
C. 13
D. 14
10. Helen is 13 years old, Helen's father is 4 years more than twice her age. How old
is her father?
A.17
B.26
D. 52
C. 30

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