Mona and Donald fly to Rome for the weekend. They take cash only in notes of $10 and notes of €10. Mona carries three times the amount of euros Donald carries. She also carries as many dollars as Donald carries. The number of €10 notes they take is double the number of $10 notes they take. If Donald carries a total of 39 notes (of either $10 or €10,) then what is the total number of notes (of either $10 or €10,) they take?	Pick:
A) 130	B) 80	C) 100	D) 120	E) 150
let e10 =x no. d10 =y no. donald is having x+y notes mona carries 3x+y again x =2y or donald x+y =39   or 3y =39 y =13 ;x =26 , total notes they carry = 104+26= 
<gadget id="calculator">104+26</gadget>
<output>130</output>
130   130
<result>A</result>
Mona and Donald fly to Rome for the weekend. They take cash only in notes of $10 and notes of €10. Mona carries three times the amount of euros Donald carries. She also carries as many dollars as Donald carries. The number of €10 notes they take is double the number of $10 notes they take. If Donald carries a total of 39 notes (of either $10 or €10,) then what is the total number of notes (of either $10 or €10,) they take?