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If 50% of x is 150, what is 75% of x? (A) (B) (C) (D) 225 250 275 300

User RTXGamer
by
8.4k points

1 Answer

3 votes

Step 1

Percent can be define as part of 100.

Foe example. x% = x/100

20% = 20/100

Step 2


\begin{gathered} 50\text{ \% of x is 150} \\ \text{Next, find x} \\ (50)/(100)\text{ x = 150} \\ \text{Cross multiply} \\ 50x\text{ = 15000} \\ \text{x = }(15000)/(50) \\ \text{x = 300} \end{gathered}

Step 3:

Let find 75% of x


\begin{gathered} 75\text{ \% of x} \\ \text{x = 300} \\ 75\text{ \% of 300} \\ \text{= }(75)/(100)\text{ }*\text{ 300} \\ =\text{ }(22500)/(100) \\ \text{= 225} \end{gathered}

Final answer

Option A

225

User Nicola Giancecchi
by
8.1k points

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