Energy at primary consumer level / Producer energy = ________ X 100% = ________ % available to primary consumer

490 / 5000 kcal = 0.098 x 100 = 9.8% available to primary consumer!

So, 9.8% of the energy at the primary consumer level is available to the primary consumer.

Fill in the freaking blank

Energy at primary consumer level / Producer energy = X% available to primary consumer

490 / 5000 kcal = 0.098 x 100 = 9.8% available to primary consumer!

What number goes in the blank

Energy at primary consumer level / Producer energy = X% available to primary consumer

490 / 5000 kcal = 0.098 x 100 = 9.8% available to primary consumer!

So, the number that goes in the blank is 9.8.