itsyeboiwolfie2500
25.03.2021 •
Mathematics
Jacob has 10p 20 p and 50 p coins one quater of the coins is 50 p with a total of 3.00 the ratio of 10 p to 20p is 2 : 7 how much money does jacob have
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Ответ:
Let x = number of 20p coins
10+50+20x=200 10p + 50p + x(20p) = 200p (100p=1 pound)
60 + 20x = 200
subtract 60 from each side
20x=140
divide both sides by 20
x=140/20=14/2=7
x=7 James has 7 20p coins
Ответ:
3 days × 3 times = 9
9×1760=10560