At Lee's fruit stall,
35 of the dragon fruits were white and the rest were red. He sold half of the total number of dragon fruits.
15 of the dragon fruits sold were red. 42 red dragon fruits were left. How many white dragon fruits did Lee sell?
| |
White dragon fruits |
Red dragon fruits |
Total |
| Before |
3 u |
2 u |
5 u |
| Change |
- 2 u |
- 12 u |
- 212 u |
| After |
1 u |
112 u |
212 u |
Number of dragon fruits sold
=
12 x 5 u
= 2
12 u
Number of red dragon fruits sold
=
15 x 2
12 u
=
12 u
Number of red dragon fruits left
= 1 -
12 u
= 1
12 u
1
12 u = 42
1 u
= 42 ÷ 1
12 = 42 x
23= 28
Number of white dragon fruits sold
= 2
12 u -
12 u
= 2 u
= 2 x 28
= 56
Answer(s): 56
