Hall spent the day at the mall. First, he bought three bikes for 30 each. Later, he returned two bikes. After that, he bought one clock for 10. Write the total change to Hall's funds as an integer.

Question

Hall spent the day at the mall. First, he bought three bikes for  30 each. Later, he returned two bikes. After that, he bought one clock for  10. Write the total change to Hall&#x27;s funds as an integer.

Accepted Answer

Step:1 ：Hall initially bought three bikes, each costing 30. So, the total cost for the bikes is (30 times 3 = 90).Step:2 ：He then returned two bikes. Since each bike costs 30, he got back (30 times 2 = 60).Step:3 ：Later, he bought a clock for 10.Step:4 ：So, the total change to Hall&#x27;s funds is (90 - 60 + 10 = 40).Step:5 ：Final Answer: The total change to Hall&#x27;s funds is (boxed{40}).

Answer

Step: 1 ：Hall initially bought three bikes, each costing 30. So, the total cost for the bikes is (30 times 3 = 90).Step: 2 ：He then returned two bikes. Since each bike costs 30, he got back (30 times 2 = 60).Step: 3 ：Later, he bought a clock for 10.Step: 4 ：So, the total change to Hall&#x27;s funds is (90 - 60 + 10 = 40).Step: 5 ：Final Answer: The total change to Hall&#x27;s funds is (boxed{40}).

Hall spent the day at the mall. First, he bought three bikes for $\$ 30$ each. Later, he returned two bikes. After that, he bought one clock for $\$ 10$. Write the total change to Hall's funds as an integer.

Answer

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