The third-grade class sells lemonade to raise funds. After selling 58 liters of lemonade in 1 week, they still
2 answers:
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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
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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