Talk:Investigate the Circus Tent/@comment-85.146.140.199-20200521130543

You can solve the riddle by splitting the sentence into segments and plugging in the ages you get with each multiple choice option.

A princess is as old … as the prince will be when … the princess is twice as old … as the prince was … when the princess' age was half the sum of their present age.

Work in reverse order by plugging in "present age" for each multiple choice option:

… when the princess' age was half the sum of their present age.

A: 25 B: 35 C: 35 D: 25

… as the prince was …

A: 15 B: 45 C: 25 D: 35

… the princess is twice as old …

A: 30 B: 90 C: 50 D: 70

… as the prince will be when …

A: 20 B: 100 C: 40 D: 80

A princess is as old …

A: X B: X C: V D: X