the average weight of 7 persons increases by 1.5 kg. if a person weighing 65 kg is replaced by a new person, what could be the weight of the new person?
Pick one.
A) 76 kg B) 77 kg C) 75.5 kg D) data inadequate E) none of these
<gadget id="calculator">7 * 1.5</gadget>
<output>10.5</output>

<gadget id="calculator">65 + 10.5</gadget>
<output>75.5</output>

<result>C</result>
the average weight of 7 persons increases by 1.5 kg. if a person weighing 65 kg is replaced by a new person, what could be the weight of the new person?
add(65, multiply(7, 1.5))
"total weight increases = 7 × 1.5 = 10.5 kg so the weight of new person = 65 + 10.5 = 75.5 kg answer c"