Lisa gets a change amount of fbox {begin bf $ 3.89\end{minispace}} when she pays a ten-dollar bill for two clipboards and a notebook.

Further explanation:

It is given that the cost of a clipboard is $ 2.23.

Also, it is known that the clipboard costs $text{ }0.58 more than a notebook so the cost of one notebook is calculated as,

fbox {begin\\begin{aligned}text{Cost of a notebook}&= 2.23-0.58\&=1.65end{aligned}end{minispace}}

Lisa bought two clipboards and one notebook then the total cost for items bought is obtained as the sum of cost of two clipboard and cost of one notebook.

fbox {begin\\begin{aligned}text{Total cost of two clipboard and one notebook}&= 2.23+2.23+1.65\&=6.11end{aligned}end{minispace}}

Lisa paid a ten dollar bill for the purchase of two clipboard and one notebook, so the total change she should get back is obtained as the difference of total cost of two clipboard and one notebook from the total paid price.

The tape diagram for the price paid for two clipboards and one notebook that Lisa bought is as shown in Figure 1 (attached at the end).

Therefore, the change that Lisa gets back is calculated as,

boxed{begin{aligned}text{Change that Lisa gets}&= 10-6.11\&=3.89end{aligned}}

Thus, the change amount that Lisa gets after she paid ten dollar for two clipboard and one notebook is fbox {begin bf $ 3.89\end{minispace}}.

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Answer details

Grade: Middle school  

Subject: Mathematics  

Chapter: Simplification

Keywords: notebook, clipboard, ten-dollar bill, paid, costs, Lisa, bought, $2.23, $0.58, $4.46, change amount, total cost, amount, two clipboards.