JJ143899
16.04.2020 •
Mathematics
Chad sovled the equation 24x + 4 + 2x = 3 (10x -1) and is claiming that x = 2 makes the equation true. is chad correct? explain
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Ответ:
Step-by-step explanation:
n + q = 20
.05n + .25q = 3.00
5n + 25q = 300
n + q = 20
5n + 25q = 300
-5n - 5q = -100
20q = 200
q = 10 quarters
n + 10 = 20
n = 10 nickels
(10 nickels, 10 quarters)