Ruben wants to buy a dictionary that costs $15, a dinosaur book that costs $16, and a children's cookbook that costs $6. He has saved $8 from his allowance. How much more money does Ruben need to buy all three books?
Question
Ruben wants to buy a dictionary that costs 16, and a children's cookbook that costs 8 from his allowance. How much more money does Ruben need to buy all three books?
Solution
First, we need to find out how much all three books cost in total.
The dictionary costs 16, and the children's cookbook costs $6.
So, we add these amounts together: 16 + 37.
This is the total cost of the books.
Ruben has already saved $8.
To find out how much more money Ruben needs, we subtract the amount he has saved from the total cost of the books.
So, 8 = $29.
Therefore, Ruben needs $29 more to buy all three books.
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