Math Problem Statement

Doris compra 7 docenas y media de carritos a S/.9,80 cada uno. Si vende tres quintos del total a S/.12,50 cada uno y el resto a S/.13,20,¿Cuanto gano en total?

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic
Fractions
Profit Calculation

Formulas

Total cost = Quantity × Unit price
Fraction of total = (part/whole) × total quantity
Profit = Total sales - Total cost

Theorems

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Suitable Grade Level

Grades 5-7