PSLE Luis kept pencils in boxes U and V. Box U contained thrice as many pencils as box V. In box U,
14 of the pencils were blue pencils. In box V,
13 of the pencils were blue pencils. What fraction of Luis's pencils were blue pencils?
Box U |
Box V |
Total |
3x3x4 |
1x3x4 |
4x3x4 |
B |
Not blue |
B |
Not blue |
|
1x9 |
3x9 |
1x1x4 |
2x1x4 |
|
9 u |
27 u |
4 u |
8 u |
48 u |
LCM of 4 and 9 is 36.
Number of blue pencils
= 9 u + 4 u
= 13 u
Total number of pencils = 48 u
Fraction of Luis's pencils that were blue =
1348 Answer(s):
1348