$35 is your answer, just do 25(0.40) which gives you 10 so add that to your original 25+10=35
Answer:
1+2, 1+4, 2+1, 2+3, 3+2, 3+4, 4+1, 4+3, 5+6, 5+8, 6+5, 6+7, 7+8, 7+6, 8+5, 8+7
Step-by-step explanation:
To be supplementary is to be equal to 180 degrees.
$42, you can do 60 x 0.3 which is equal to 18 and then do 60 - 18 and you get 42
