Answer:
x= 70
Step-by-step explanation:
These are supplementary angles
45+2x-5 = 180
Combine like terms
40+2x= 180
Subtract 40 from each side
40+2x-40 =180-40
2x= 140
Divide by 2
2x/2 =140/2
x = 70
Answer:
19.4
Step-by-step explanation:
50% is one half
so 9.7 is half of ....
Then .... is twice 9.7
.... = 2 × 9.7 = 19.4
