Dana baked 75 wafers.
35 of the wafers were chocolate wafers. The rest were mango wafers. She gave an equal number of chocolate wafers and mango wafers away and had 4 times as many chocolate wafers as mango wafers left. How many wafers did she give away?
| |
Chocolate wafers |
Mango wafers |
Difference |
| Before |
3x3 =
9 u |
2x3 =
6 u |
1x3 =
3 u |
| Change |
- 5 u |
- 5 u |
|
| After |
4x1 =
4 u |
1x1 =
1 u |
3x1 =
3 u |
Since Dana gave away an equal number of chocolate wafers and mango wafers, the difference in the number of chocolate wafers and mango wafers remains unchanged. Make the difference in the chocolate wafers and mango wafers the same. LCM of 1 and 3 is 3.
Total number of wafers at first
= 9 u + 6 u
= 15 u
15 u = 75
1 u = 75 ÷ 15 = 5
Number of wafers that Dana gave away
= 5 u + 5 u
= 10 u
= 10 x 5
= 50
Answer(s): 50
