Here are the answers for 10 and 12
Answer:
85
Step-by-step explanation:
64+16+4+1= 85 is the total distance i believe
Multiply 3.3 by everything in the parenthesis.
3.3x - 26.4 - x = 1.2
Combine like terms.
2.3x - 26.4 = 1.2
Add 26.4 to both sides.
2.3x = 27.6
Divide 2.3 on both sides.
x = 12
Hope this helps!