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Klio2033 [76]
3 years ago
7

The sum of two numbers is 40 - 13. what are the integers.

Mathematics
1 answer:
Anni [7]3 years ago
6 0
So. let's say the numbers are "a" and "b"

whatever they're, we know a + b = 56

let's say the larger one is "b", so 3 times the smaller is 3*a or 3a
now, 12 less than that, is 3a - 12

and the larger is that, so b = 3a - 12

so   \bf \begin{cases}
a+b=56\\
\boxed{b}=3a-12\\
----------\\
a+\boxed{3a-12}=56
\end{cases}

solve for "a", to see what the smaller one is

what's b? well, b = 56 - a
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Part A: Virginia earned $14 walking her neighbors' dogs on Saturday. She earned some extra money on Sunday doing the same thing.
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