340.8 cm^2.
72+72+72+62.4+62.4=340.8cm^2.
Two thirds.
1/3 +1/3 = 2/3.
You don’t add the denominator (bottom terms), you only add the numerators (the top terms)
94%
47/50 × 100 = 47 ×2 = 94 %
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Step-by-step explanation: