Linda had 44 more smoothed stones than Rachel at first. After Linda bought another 19 smoothed stones, she had four times as many smoothed stones as Rachel. How many smoothed stones did Linda have at first?
| |
Linda |
Rachel |
| Before |
1 u + 44 |
1 u |
| Change |
+ 19 |
|
| After |
1 u + 63 |
1 u |
Number of smoothed stones Linda had in the end
= 4 x 1 u
= 4 u
4 u = 1 u + 63
4 u - 1 u = 63
3 u = 63
1 u = 63 ÷ 3 = 21
Number of smoothed stones Linda had at first
= 1 u + 44
= 21 + 44
= 65
Answer(s): 65
