The student wrote the wrong operation. "The sum of 5y and 3" translates to 5y+3. And here means addition.
X + y = 4...x = 4 - y
2x + 3y = 0
2(4-y) + 3y = 0
8 - 2y + 3y = 0
-2y + 3y = 0 - 8
y = -8
x + y = 4
x - 8 = 4
x = 4 + 8
x = 12
solution is : (12,-8)
Answer:
$9.12 each
Step-by-step explanation:
15 percent of 32.20 = 4.83. 32.20 - 4.83 = 27.37.
27.37/3 friends = about $9.12 each
Answer:
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Step-by-step explanation: