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 25% 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) 28%	B) 30%	C) 32%	D) 34%	E) 36%
Let x be Mork's income, then Mindy's income is 4x.   The total tax paid is 0.4x + 1.0x = 1.4x   1.4x / 5x  0.4  + 1.0= 
<gadget id="calculator"> 0.4  + 1.0</gadget>
<output>1.4</output>
1.4x   1.4x / 5x = 0.28   The answer is 28%. 1.4  / 5= 
<gadget id="calculator"> 1.4  / 5</gadget>
<output>0.28</output>
0.28   The answer is 28%.
<result>A</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 25% on hers. If Mindy earned 4 times as much as Mork did, what was their combined tax rate?