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Primary 4 | Maths
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Date Posted: 4 years ago
Views: 310
at first
w: 1u
b: 6u
diff. = 5u
w : b : diff.
= 1 : 6 : 5
after
w : b
= 1 : 3
w: 30
b: 90
diff. = 60
note: diff. no change
at first
w : b : diff.
= 1 : 6 : 5
= 12 : 72 : 60
90 - 72 = 18
30 - 12 = 18
bought 18 b and 18 w
.
.
.
w: 1u
b: 6u
diff. = 5u
w : b : diff.
= 1 : 6 : 5
after
w : b
= 1 : 3
w: 30
b: 90
diff. = 60
note: diff. no change
at first
w : b : diff.
= 1 : 6 : 5
= 12 : 72 : 60
90 - 72 = 18
30 - 12 = 18
bought 18 b and 18 w
.
.
.
See 1 Answer
done
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Hope this helps
Date Posted:
4 years ago
My mistake, is not total in the end. Is Total bought in 12+12= 24. Answer should be 24.
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