Sarah is x years old.
Thomas is 3 years older than Sarah.
David is twice as old as Sarah
The total of their ages is 51.
(a) Write an expression for Thomas's age in terms of x.
(b) Write an expression for David's age in terms of x.
(c) Form an equation in x and solve it to work out Sarah's age.
Answers
Answered by
8
Answer:
a) x+3 = Thomas' age = 19 years old
b )2x = David's age= 32 years old
c) Sarah is 16 years old
Step-by-step explanation:
3+2x+x=51
2x+x=48
If x= 16
3+(2*16)+16=51
Thomas is 19 years old
David is 32 years old
Sarah is 16 years old
Answered by
0
Answer:
Step-by-step explanation:
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