640 is 9 times as much as what?

Here we will show you and explain using simple algebra how to calculate "what" in this sentence: "640 is 9 times as much as what?"

When using algebra to solve a word problem, read the word problem thoroughly to make sure you understand exactly what it is asking.

To clarify, "640 is 9 times as much as what?" is the same as "640 is 9 times as much as x", "What is x?" or "9 times a number will have a product of 640 - what is that number?"

Based on that information, we created the following equation to solve "640 is 9 times as much as what?":

9 • x = 640

To solve for x, we divide both sides by 9 to get x by itself. Here is the math to illustrate:

9 • x = 640
9x = 640
9x/9 = 640/9
x = 71.11

Thus, the answer to "640 is 9 times as much as what?" is 71.11.

In other words, 640 is 9 times as much as 71.11 because 9 times 71.11 equals 640. Note that the answer is rounded if necessary.

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