A small balloon starts at 7 meters off the ground and rises at 2.5 meters per second. A large kite starts at 12 meters off the ground and rises at 1.5 meters per second. Solve the equation to find how many seconds it takes the kite and the balloon to be at the same height.

7+2.5x= 12 + 1.5x
Answer______

Respuesta :

Answer:

5 seconds

Step-by-step explanation:

We start with 1 second.

7+2.5=9.5

12+1.5=13.5

13.5-9.5=4

2 seconds:

7+5=12

12+3=15

15-12=3

See the pattern?

3 seconds : 2

4 seconds : 1

5 seconds : 0!