<span>1.7a+0.3a=4/5
2a = 4/5
a = 4/5 * 1/2
a = 4/10
a = 2/5
answer
</span> a = 2/5
updated
2 barrettes that measure 1/4-inch each. So we need to add them together
1/4+1/4=2/4-inch
this can be simplified to 1/2-inch
Answer=1/2-inch
Answer:
c
Step-by-step explanation:
The answer is A because it earns interest