a. Write an expression that represents the following expression using the variable b: "Billy's age in 8 years." b. Write an equation using the expression above if in 8 years Billy will be 21 years old. c. How old is Billy now? d. Write and solve a word problem that matches the equation: a - 6 = 10.

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6 October, 22:51

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Gemma Holland · Answer 1

A. b+8

b. b+8=21

c. b=21-8=13 Billy is 13 now

d. Ann was ten years old six years ago. How old is she now? a-6=10, a=16. Ann is 16 now.