john makes $ 40 a week from his job. he earns a raise and now makes $ 70 a week. what is the % increase? Choose the correct choice from the following answers
A) 16 % B) 16.66 % C) 17.9 % D) 18.12 % E) 75 %
<gadget id="calculator">70 - 40</gadget>
<output>30</output>

<gadget id="calculator">30 / 40</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 100</gadget>
<output>75</output>

<result>E</result>
john makes $ 40 a week from his job. he earns a raise and now makes $ 70 a week. what is the % increase?
multiply(divide(subtract(70, 40), 40), const_100)
"increase = ( 30 / 40 ) * 100 = ( 3 / 4 ) * 100 = 75 % . e"