At Mark's fruit stall,
34 of the dragon fruits were red and the rest were white. He sold half of the total number of dragon fruits.
16 of the dragon fruits sold were white. 42 white dragon fruits were left. How many red dragon fruits did Mark sell?
| |
Red dragon fruits |
White dragon fruits |
Total |
| Before |
3 u |
1 u |
4 u |
| Change |
- 123 u |
- 13 u |
- 2 u |
| After |
113 u |
23 u |
2 u |
Number of dragon fruits sold
=
12 x 4 u
= 2 u
Number of white dragon fruits sold
=
16 x 2 u
=
13 u
Number of white dragon fruits left
= 1 -
13 u
=
23 u
23 u = 42
1 u
= 42 ÷
23 = 42 x
32= 63
Number of red dragon fruits sold
= 2 u -
13 u
= 1
23 u
= 1
23 x 63
= 105
Answer(s): 105
