jackydtb
22.04.2020 •
Mathematics
Betty is three times as old as her son now. In 12 years, Betty's age will be three years less than twice her son's age.
How old is Betty's son now?
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Please help lol
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Ответ:
Step-by-step explanation:
600g of 20%
100 - 20 = 80
600 = 80%
/80%
7.5 = 1%
x100
750 = 100%
£750
Sorry I don’t know what else to write. Hopefully, this guarantees you a mark.