Help with this question and i will do brainliest (if there are multiple answers)

Answer:
a=2/5
Step-by-step explanation:
1.7((2)/(5))+0.3((2)/(5)) = 0.8=80/100=4/5
Answer:
the answer is a=2/5
Step-by-step explanation:
combine like terms 1.7+0.3=2
get the varliable alone 2/4/5
answer 2/5