Fiona had 100 more cards than Jade. After Jade gave away
25 of her cards, Fiona had five times as many cards as Jade. How many cards did Jade have at first?
| |
Fiona |
Jade |
Comparing Fiona and
Jade at first |
100 more |
|
| Before |
15 u |
5 u |
| Change |
|
- 2 u |
| After |
15 u |
3 u |
Comparing Fiona and
Jade in the end |
5x3 =
15 u |
1x3 =
3 u |
Number of cards that Jade had in the end is repeated. Make the number of cards that Jade had in the end the same. LCM of 1 and 3 is 3.
Number of cards that Fiona had at first = 15 u
Number of cards that Fiona had more than Jade at first
= 15 u - 5 u
= 10 u
10 u = 100
1 u = 100 ÷ 10 = 10
Number of cards that Jade had at first
= 5 u
= 5 x 10
= 50
Answer(s): 50
