8 girls 12 boys = 20 total
12/20= 3/5 = .6 *100 =
60% is the first answer
34 trees (3 types) +? Scotch pines
= 50 total
50-34= 16/50*2 = 32/100=
32% scotch pines is the second answer
20 grapes 1 pear
13/20*5 = 65/100 =
65% grapes third answer
Found 20 | did not find 5 | 25 total
5/25*4= 20/100=
20% is the fourth answer
Contradictions usually mean they go against established rules. Squaring a negative number is one example if it is in math. But just think of anything that goes against what is known.
The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.
Answer:
Non-collinear points: These points, like points X, Y, and Z in the above figure, don't all lie on the same line. Coplanar points: A group of points that lie in the same plane are coplanar. Any two or three points are always coplanar. Four or more points might or might not be coplanar.
Step-by-step explanation:
