It will take you 30 hours to build a perfect fort
Answer:
21
Step-by-step explanation:
1/20= x/420
Multiply both by 420
420/20=x
x=21
Answer:
56
Step-by-step explanation:
From the previous 3 numbers, they're all being multiplied by 2
7*2=14
14*2=28
28*2=56