the average age of a class of 24 students is 23 years. the average increased by 1 when the teacher ' s age also included. what is the age of the teacher? Pick one: A) 40 B) 41 C) 48 D) 52 E) 43
<gadget id="calculator">24 + 1</gadget>
<output>25</output>

<gadget id="calculator">23 + 1</gadget>
<output>24</output>

<gadget id="calculator">25 * 24</gadget>
<output>600</output>

<gadget id="calculator">24 * 23</gadget>
<output>552</output>

<gadget id="calculator">600 - 552</gadget>
<output>48</output>

<result>C</result>
the average age of a class of 24 students is 23 years. the average increased by 1 when the teacher ' s age also included. what is the age of the teacher?
subtract(multiply(add(24, 1), add(23, 1)), multiply(24, 23))
"total age of all students = 24 ã — 23 total age of all students + age of the teacher = 25 ã — 24 age of the teacher = 25 ã — 24 â ˆ ’ 24 ã — 23 = 24 ( 25 â ˆ ’ 23 ) = 24 ã — 2 = 48 answer is c ."