Christina bought 7 books for $11 each. David bought 5 books for $9 each. Who spent more on books?
Select the best argument for the problem.
A.
The total of $77, which is what Christina spent, is greater than the total of $45, which is what David spent.
B.
Since 7 times 11 is more than 5 times 9Christina spent more.
C.
Christina spent the most. She spent 7 times 11 and David spent 5 times 9. Since 77 is more than 45 Christina spent a lot more than David.
D.
Christina spent $77 because 7 × 11 = 77. David spent $45 because 5 × 9 = 45. Since 77 > 45Christina spent more.

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it would be C!

thx

np

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