Peter spends 1/5 of his earnings on his rent, and he saves 2/7. What fraction of his earnings is left?

Correct answer:

x =  18/35

Step-by-step explanation:

s=51+72=357+3510=357+10=35170.4857 x=1s=13517=351 353517=35353517=353517=3518=0.5143

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