Math Problem Statement

pedro e luis tinham, em conjunto, a importancia de R$ 690,00. Pedro gastou 1/4 de seu dinheiro e Luis gastou 3/5 do que possuia, ficando ambos com quantias iguais, Pedro tinha a quantia de:

a) 510,00 b) 270,00 c) 450,00 d) 350,00 e) 380,00

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Systems of Equations
Fractions

Formulas

P + L = 690
3/4 * P = 2/5 * L
L = (15/8) * P

Theorems

Solving systems of linear equations

Suitable Grade Level

Grades 9-11