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Luis and Berto sell TVs. Last month Berto sold 13 more TVs than Luis. Together they sold 169. How many TVs did Luis sell? 56 78 156 182

Sagot :

Answer:

78

Step-by-step explanation:

Let's denote the number of TVs Luis sold as \( L \). According to the problem, Berto sold 13 more TVs than Luis, so Berto sold \( L + 13 \) TVs.

The total number of TVs sold by both Luis and Berto together is 169. We can set up the following equation:

\[ L + (L + 13) = 169 \]

Simplify and solve for \( L \):

\[ 2L + 13 = 169 \]

Subtract 13 from both sides:

\[ 2L = 156 \]

Divide both sides by 2:

\[ L = 78 \]

So, Luis sold 78 TVs.