The cost of the geography books is 35 * 10.5 = $<<35*10.5=367.5>>367.5.

The cost of the English books is 35 * 7.5 = $<<35*7.5=262.5>>262.5.

The total amount of the order is 367.5 + 262.5 = $<<367.5+262.5=630>>630.

# Answer

630
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ali's class wants to order 35 English textbooks and 35 geography textbooks. Knowing that a geography book costs $10.50 and that an English book costs $7.50, what is the amount of this order?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
630
Ali's class wants to order 35 English textbooks and 35 geography textbooks. Knowing that a geography book costs $10.50 and that an English book costs $7.50, what is the amount of this order?
train