Because he’s taxed by his home planet, Mork pays a tax rate of 40% on his income, while Mindy pays a rate of only 20% on hers. If Mindy earned 4 times as much as Mork did, what was their combined tax rate? Choose the correct choice from the following answers:
A) 22.5%  B) 24%  C) 30%  D) 33%  E) 20%
Say Morks income is - 100   So tax paid will be 40   Say Mindys income is 4*100= 
<gadget id="calculator">4*100</gadget>
<output>400</output>
400   So tax paid is 20% * 400= 80   Total tax paid = 40+80= 
<gadget id="calculator">40+80</gadget>
<output>120</output>
120.   Combined tax % will be 120/100+400= 24%
<result>B</result>
Because he’s taxed by his home planet, Mork pays a tax rate of 40% on his income, while Mindy pays a rate of only 20% on hers. If Mindy earned 4 times as much as Mork did, what was their combined tax rate?