There should be 6 per number
ex.
1234
1243
1342
1324
1432
1423
This is a weird question but I believe sense you did bring the money then you are going to buy lunch.
Answer:
14 yards
Step-by-step explanation:
the area of a triangle is 0.5×b×h
so
plug in what you have
0.5×b×3=21
(3x0.5)b=21
1.5b=21
b=21/1.5
b=14