PSLEThere are some stickers in albums C and D. 80% of the stickers in album C and 25% of the stickers in album D are square stickers. There is an equal number of round stickers in both albums. If there are 110 more square stickers in album C than in album D, how many stickers are there in both albums altogether?
C |
D |
Square |
Round |
Square |
Round |
4x3 |
1x3 |
1 |
3 |
12 u |
3 u |
1 u |
3 u |
25% =
25100 =
1480% =
80100 =
45The number of round stickers in both albums is the same. Make the number of round stickers the same. LCM of 1 and 3 is 3.
Number of more square stickers in Album C than Album D
= 12 u - 1 u
= 11 u
11 u = 110
1 u = 110 ÷ 11 = 10
Number of stickers in both albums
= 12 u + 3 u + 1 u + 3 u
= 19 u
= 19 x 10
= 190
Answer(s): 190