fordkenae
05.02.2020 •
Mathematics
The cost of a pencil is 25 cents more than the cost of an eraser. if the cost of 8 pencils and 10 erasers is 12.80 dollars, find the cost of each
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Ответ:
You must have wrote the equation incorrectly
Step-by-step explanation:
You wanna make f(x) equal to 6
So its 6 = 2x + 57
Subtract 57 from both sides to get -51 = 2x
Divide both sides by 2 to get -25.5