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Question
primary 6 | Maths
| Ratio
One Answer Below
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please help me. Thank you
Date Posted: 5 years ago
Views: 268
50c: 21u
$1: 3u
sub-total: 24u (60%)
20c: 16u (40%)
(a)
16 : 21 : 3
(b)
value
50c: 21u x 0.5 = 10.50u
$1: 3u
20c: 16u x 0.2 = 3.20u
16.70u = 300.60
u = 18
total no. of coins = 720
.
.
.
$1: 3u
sub-total: 24u (60%)
20c: 16u (40%)
(a)
16 : 21 : 3
(b)
value
50c: 21u x 0.5 = 10.50u
$1: 3u
20c: 16u x 0.2 = 3.20u
16.70u = 300.60
u = 18
total no. of coins = 720
.
.
.
Very good. Thank you
See 1 Answer
done
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I got the answer.
Date Posted:
5 years ago
Thank you
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