It would be cheap at twice the price?

[Dinanrodrig]

English Language Tests, Intermediate level

ESL/EFL Test #325 "English Slang Idioms (46)", question 1

"I had to buy the tree. It would be cheap at ......... the price. I got it for way less than it would have cost in a store," Doug said.

(a) twice
(b) half
(c) over
(d) less

English Language Tests, Intermediate level

ESL/EFL Test #325 "English Slang Idioms (46)", answer 1

"I had to buy the tree. It would be cheap at twice the price. I got it for way less than it would have cost in a store," Doug said.

Correct answer: (a) twice

Your answer was: incorrect
"I had to buy the tree. It would be cheap at half the price. I got it for way less than it would have cost in a store," Doug said.
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Could you please explain? Does this mean that if the tree cost twice more it would still be cheap? I'm a loss here.

[Alan]

Yes, that's the idea. In other words if the tree had cost more than two times what it actually cost, it would still be a very good, a cheap price to pay.

Alan
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English as a Second Language
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