Neave had
59 as many marbles as Barbara. After Neave bought another 46 marbles, he had 18 less marbles than Barbara. How many marbles did Neave have at first?
| |
Neave |
Barbara |
| Before |
5 u |
9 u |
| Change |
+ 46 |
|
| After |
5 u + 46 |
9 u |
Barbara had 18 more marbles than Neave in the end. So, if Neave had another 18 marbles, he would have the same number of marbles as Barbara.
9 u = 5 u + 46 + 18
9 u - 5 u = 46 + 18
4 u = 64
1 u = 64 ÷ 4 = 16
Number of marbles that Neave had at first
= 5 u
= 5 x 16
= 80
Answer: 80
