1. Solve:15-3×4+2, 50, 5, 14, 20, Solve:8+(10-2³)x5, 50, 30, 18, 10, Solve:25÷ 6 x 2 + ( 7 - 3), 6, 12, 2, 16, Solve:50-2x(3+4)²÷7, 42, 14, 36, 25, Juan had 500. he bought 3 notebooks costing ₱45 each and 2 pens costing ₱20 each. Write a single numerical expression for his remaining balance and compute the total amount left., 500-3x45+2x20=385, 500-(3x45+2x20)=325, (500-3x45)+20=385, 500-3x45x2x20=175

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