rirnj005
08.06.2021 •
Mathematics
(9) 1 and (G) 2 and 7 (0) 4 and 5 (E) 3 and 6
27. Ria and Flora compare their savings and realise that they are in the ratio is to each other. Then Ria buys a tablet
for 160 €. The ratio of their savings thus changes to 315,
How much money did Ria have before she bought the tablet?
(A) 192 € () 200 € (C) 250 € (D) 400 € (E) 420 €
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Ответ:
ans: 85°
1b) Acute
sorry dont know qns 2 :(