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2 years ago

The difference of a number multiplied by 2 tens and 3 sevens is 119. What is the number?

1 answer:

4 0

Your question is not clearly stated. Do you mean the difference between 10 * 10 * x, and 7 * 7 * 7 *x ? Then the number is x = 119/243. That's about 0.48971... in decimal form.

It's confusing when you say the "difference of a number". Differences are BETWEEN two numbers. See what I mean?

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VladimirAG [237]

Answer:

The cost of the television is $\$294$

Step-by-step explanation:

Let

x -----> the cost of the television in dollars

we know that

The cost of the television represent 100%

then

$100\%-7\%=93\%=93/100=0.93$

The cost is 0.93x

then

$100\%+10\%=110\%=110/100=1.1$

The cost is 1.1x

The difference between the two methods is

$1.1x-0.93x=0.17x$

Remember that

The difference between the two methods is $49.98

$0.17x=49.98$

Solve for x

$x=\$294$

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balu736 [363]

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