D){x+8y=369{y=8x D is the answer
1. Note that the number 1.8 consists of two parts 1 and 0.8.
2. The decimal 0.8 can be written as the fraction 
3. Add these two numbers:

4. Since 18=2·3·3 and 10=2·5, the fraction
can be simplified to the rational number

The given formula 
Solve for y means we have to make y alone
\\
Add -10 on both sides, we get

As there is multiplication sign between r and y so to solve for y, divide both side by r

I cant answer this on a computer sorry I would if I could though.
Answer:
where is the problem
Step-by-step explanation:
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rfgv problem?