Answer: 9.3 gigawatts of energy
Step-by-step explanation: This is a simple cross equation problem.
Here you have: 7:1.3 and 21:x
Our job, well your job, is to find the value for x. You can do this using cross multiplication. Multiply 21 by 1.3 and you'll receive 65.1. Then divide this by 7 and you'll receive 9.3. That is your answer.
