the sum of ages of 5 children born at the intervals of 3 years each is 50 years. what is the age of the youngest child?	Choose one
A) 4 years B) 8 years C) 10 years D) none of these E) can not be determined
<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<result>A</result>
the sum of ages of 5 children born at the intervals of 3 years each is 50 years. what is the age of the youngest child?
subtract(subtract(divide(50, 5), 3), 3)
"explanation 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 ) = 50 5 x = 20 x = 4 . age of the youngest child = x = 4 years . answer a"