9 text in 12 minutes
60 min/12= 5 intervals
9*5=45texts an hour
Answer:
Step-by-step explanation:
The answer is 19
check the picture below.
so, when we have a line from a 90° angle running perpendicular to the opposite side, like in this case, we end up with three similar triangles, a large one containing the other two, a medium and a small one.
now, using the sides proportions as you see there, of the small and large one, we get that much.
Answer: 19
Reasoning: the equation is 7 + (6 x 2) = 19