3 years ago

A set of golf clubs is on sale for $150.00, which is 70% off its original price.What was the original price of the golf clubs

1 answer:

6 0

$x - 0.7x = 150 \\ 0.3x = 150 \\ x = 500$
The original price is $500

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alukav5142 [94]

Answer: There are 4 students in the group.

Step-by-step explanation:

Let the number of students in the group be n

If one of them scored 9 more points , their average score would be 81 points.

So, our equation (1) will be

$\frac{\sum x+9}{n}=81\\\\\sum x+9=81n$

Similarly,

If one of them scored 3 points less, their average score would be 78 points.

So, our equation (2) will be

$\frac{\sum x-3}{n}=78\\\\\sum x-3=78n$

So, from equation (1) and (2) we get:

$81n-9=\sum x=78n+3\\\\81n-9=78n+3\\\\81n-78n=3+9\\\\3n=12\\\\n=\frac{12}{3}\\\\n=4$

Hence, there are 4 students in the group.

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3 years ago

denis23 [38]

Step-by-step explanation:

Who's only here for points jk, all you have to do is 34

because it's the only smallest number there

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2 years ago

xz_007 [3.2K]

I’m sorry if I’m wrong but 4/36=7/8?

8 0

3 years ago

bearhunter [10]

180 miles per hour. 45*4 to get the answer.<span />

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3 years ago

Alchen [17]

How many points will you give?

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3 years ago