There are some cookies in the jar. On Friday, Valen ate
35 of the cookies. He later bought 30 cookies and added into the jar. On Saturday, Valen ate 46 cookies. He was hungry and ate another 36 cookies. There were no cookies left. How many cookies were there in the jar at first?
|
Cookies |
Before |
5 u |
Change 1 |
- 3 u |
Change 2 |
+ 30 |
Change 3 |
- 46 |
Change 4 |
- 36 |
After |
0 |
Fraction of the cookies left after Valen first ate on Friday
= 1 -
35=
25Number of cookies left after Valen first ate on Friday = 2 u
2 u = 36 + 46 - 30
2 u = 52
1 u = 52 ÷ 2 = 26
Number of cookies at first
= 5 u
= 5 x 26
= 130
Answer(s): 130