Vanessa made 322 muffins and puffs. After she gave 0.1 of the muffins and 0.75 of the puffs to her students, she was left with an equal number of muffins and puffs. How many puffs had she left?
| |
Muffins |
Puffs |
Before
|
10x1 =
10 u |
4x9 =
36 u |
Change
|
- 1x1 =
- 1 u |
- 3x9 =
- 27 u |
After
|
9x1 =
9 u |
1x9 =
9 u |
Comparing muffins and
puffs in the end |
1x9 =
9 u |
1x9 =
9 u |
0.1 =
110 0.75 =
75100 =
34 The number of muffins and puffs is the same in the end. Make the number of muffins and puffs in the end the same. LCM of 9 and 1 and 1 is 9.
Total number of muffins and puffs at first
= 10 u + 36 u
= 46 u
46 u = 322
1 u = 322 ÷ 46 = 7
Number of puffs that Vanessa had left
= 9 u
= 9 x 7
= 63
Answer(s): 63
