Auntie Betty baked 12 less cherry buns than vanilla buns. After she gave 0.8 of the cherry buns to Min and
16 of the vanilla buns, she was left with 181 more vanilla buns than cherry buns. How many buns did she bake?
| |
Cherry buns |
Vanilla buns |
Comparing cherry buns
and vanilla buns
at first |
|
12 more |
Before
|
5x6 =
30 |
6x5 =
30 u |
+ 12 |
Change
|
- 4x6 =
- 24 u |
- 1x5 =
- 5 u |
- 2 |
After
|
1x6 =
6 u |
5x5 =
25 u |
+ 10 |
Comparing cherry buns
and vanilla buns
in the end |
|
181 more
|
0.8 =
810 =
4516 x 12 = 2
12 - 2 = 10
If Auntie Betty baked another 181 cherry buns, there would be equal number of vanilla buns and cherry buns in the end.
25 u + 10 = 6 u + 181
25 u - 6 u = 181 - 10
19 u = 171
1 u = 171 ÷ 19 = 9
Total buns that Auntie Betty baked
= 30 u + 12 + 30 u
= 60 u + 12
= 60 x 9 + 12
= 540 + 12
= 552
Answer(s): 552
