Answer:
-0.3n + 0.6
Step-by-step explanation:
if we write out the entire expression we have:
0.5n - 0.3 - 0.8n + 0.9 (two negative signs create a positive sign)
then we add and subtract
and receive
-0.3n + 0.6
15.7 feet
and you are welcome
Answer:
$9,960
Step-by-step explanation:
249000 x 0.4 = 9960