Answer:
Average is 22.72
Step-by-step explanation:
6 weeks 27kilo
12 weeks 54 kilo
4.5*12=54
4.5*6=27
l-75.3l is equal to 75.3 so that's not the smallest number possible.
X would equal 4
5 x 4 is 20. And the equation was 5x + 1 = 21.
So, the answer would equal 20. Hope this helped!! :D