Answer:55
Step-by-step explanation:
55x1=55
Answer: 3.99 x 10^16
Answer:4x+12
4 times x is 4x and 4 times 3 is 12
The model will be 5 times longer that stated.
E.g if the model is said to be 10 feet long using this scale.
10*5=50
50 feet