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23.10.2020 •
Mathematics
What is the answer to 4x - 6 ≥ 6x - 20
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Ответ:
x
7
Step-by-step explanation:
4x-6
6x-20
First get x on one side.
So substract 6x on each side to get:
4x-6x-6
-20
Then add 6 on each side to get:
4x-6x
-14
Simplify.
-2x
-14
Divide each side by -2 to get x alone.
*Remember that when dividing by a negative sign is fliped.
x
-14/-2
Simplify.
x
7
Ответ:
Let's assume
total number of tourists is x
now, we can find percentage of children
so,
20% of tourists is children
so, we get
now, we can solve for x
so,
total number of tourists is 70.........Answer