the sum of ages of 5 children born at the intervals of 3 years each is 80 years. what is the age of the youngest child?
Choose the correct choice from the following answers
A) 3 years  B) 4 years  C) 6 years  D) 7 years  E) 10 years
<gadget id="calculator">80 / 5</gadget>
<output>16</output>

<gadget id="calculator">16 - 3</gadget>
<output>13</output>

<gadget id="calculator">13 - 3</gadget>
<output>10</output>

<result>E</result>
the sum of ages of 5 children born at the intervals of 3 years each is 80 years. what is the age of the youngest child?
subtract(subtract(divide(80, 5), 3), 3)
"let the ages of children be x , ( x + 3 ) , ( x + 6 ) , ( x + 9 ) and ( x + 12 ) years . then , x + ( x + 3 ) + ( x + 6 ) + ( x + 9 ) + ( x + 12 ) = 80 5 x = 50 x = 10 . age of the youngest child = x = 10 years . e )"