Question

In the following food chain, 100J of energy is available to the Lion. How much energy was available to the producer?
Plant -Deer-Lion

Answer 1

100×10×10=10000J of energy was available to the producer

Hope it helps

Answer 2

Take deer as x /10

Lion energy is 100j

So 100*10=x

1000=x

Grass =y

y/10=100

y=1000