Answer:
the first one
Step-by-step explanation:
Answer:
Graph 1: Y is not a set number Graph 2: Y is 5
Step-by-step explanation:
Step-by-step explanation:
Let x be the no. of seconds it takes for the balloons to be at the same height.
7+3x = 12+2x
Deduct both sides by 2x.
7+x = 12
Deduct both sides by 7.
x = 5
Ans: It will take 5 seconds for the balloons to be at the same height.