Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises - Page 98: 44



Work Step by Step

We start with the given equation: $0.25n+0.1n=9.8$ We multiply the whole equation by $100$: $100(0.25n+0.1n=9.8)$ We apply the distributive property to multiply each term by $100$: $25n+10n=980$ We combine the like terms: $35n=980$ Finally, we divide by $35$ on each side of the equation: $n=\frac{980}{35}=28$
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