Sparky weighs 7 times as much as Solo. How much does Solo weigh?
solo is 7 times lighter than sparky (that all i can say because there is nothing to go off of)
Solo weighs 1/7 as much as Sparky... or 1/7 of Sparky's weight.
If Solo weighs \(x\) pounds, then Sparky weighs \(7x\) pounds.