Answer:
0.1
Step-by-step explanation:
1+1+3=5
5/50=1/10=0.1
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Answer:

(If that closed circle is an open circle, please let me know because that means something totally different)
Step-by-step explanation:
I think you are given:
and that you are asked to find:

That operation means multiplication. (Let me know if is an open circle because that means something difference).

Distribute:

Reorder a little (commutative property):

3x+4y = 15
4y = -3x + 15
y = -3x/4 + 15/4
y = (15 -3x)/4
answer is the first one.
1. y = (15 -3x)/4