A notebook costs three times as much as a pen. If a pen costs $1.50, how much will Lyle pay for 4 notebooks?
A notebook costs $1.50 x 3 = $<<1.5*3=4.50>>4.50.
So Lyle will pay $4.50 x 4 = $<<4*4.5=18>>18 for the 4 notebooks.
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human
A notebook costs three times as much as a pen. If a pen costs $1.50, how much will Lyle pay for 4 notebooks?
gpt
A notebook costs $1.50 x 3 = $<<1.5*3=4.50>>4.50.
So Lyle will pay $4.50 x 4 = $<<4*4.5=18>>18 for the 4 notebooks.
#### 18