Grade 9 Students Will Be Having A Field Demo. In Their Performanc…

Grade 9 students will be having a field demo. In their performance, they

need 3 sets of costume for their Mascara Festival theme. The sum of each set of

costume is Php 420. In Section A their total cost is Php 3710, 6 students for costume

set A, 6 students for costume B and 13 students for costume C. In section B with 25

students, their total cost is Php 3390, 10 students for costume set A, 8 students for

costume B, and the rest is for costume set C. Find the amount of each set of

costume.

use Cramer’s rule

Answer: Sana makatulong sayo

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