Answer:
Step-by-step explanation:
3 x 7 = 21
10 x 4 = 40
10 x 7 = 70
So, the number that belongs in the green box is 19.
Answer: A student who owns a cell phone is more likely to have brought a personal device than not to have brought one.
Step-by-step explanation:
Answer: D
Step-by-step explanation:
The concept that can be used in order to answer this item is that of ratio and proportion. The ratio of the man's height and the length of his shadow should be proportional or equal to the ratio of the tower height and length of its shadow. If we let x be the height of the tower, the equation that would help us solve this item is,
2 / x = 0.5 / 13.5
The value of x is equal to 54. Thus, the tower's height is approximately 54 meters.
