Answer:
142.92
Step-by-step explanation:
The constant rate = 20 ft / 5 seconds = 4 feet per second
Find the chart that shows an increase of 4 feet for every second the balloon travels.
Hope you could understand.
If you have any query, feel free to ask.
Answer:


Step-by-step explanation:

Multiply both sides of the equation by 5.
5 ·
·
5 · 4
Simplify both sides of the equation.

Subtract 10 from both sides of the equation.

Divide each term by 2 and simplify.

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Substitute x for 6

Multiply 3 · 6

Add 18 + 9

Divide
÷ 27
9 = 9
Addition and multiplication are commutative property so that mean no.
In this case, you have to do division.
Your answer is 6x = 72
x = 12
Hope this helps :)