Linda had 136 cards. Oscar had 34 of what Linda had. After Linda used some of his cards and Oscar used 16 of his cards, Linda had 35 as many cards left as Oscar.
- How many cards did Oscar have at first?
- How many cards did Linda use?
|
Linda |
Oscar |
Before |
136 |
102 |
Change |
- ? |
- 17 |
After |
51 |
85 |
(a)
Number of cards that Oscar had at first
=
34 x 136
= 102
(b)
Number of cards that Oscar used
=
16 x 102
= 17
Number of cards that Oscar had left
= 102 - 17
= 85
Number of cards that Linda had left
=
35 x 85
= 51
Number of cards that Linda used
= 136 - 51
= 85
Answer(s): (a) 102; (b) 85