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enyata [817]
4 years ago
13

Ashley’s math average decreased 12 points to 78. Then she completed an extra credit assignment and raised her final average by 5

points. Write an equation to show how Ashley’s average changed.
What was her starting average? ____ points

How much did her average increase or decrease, overall? ____ points

What was her final average? ____ points
Mathematics
3 answers:
andriy [413]4 years ago
3 0

What was her starting average? 93 points

How much did her average increase or decrease, overall? 5 points

What was her final average? 83 points

mrs_skeptik [129]4 years ago
3 0

Her starting adverage was 90

Overall change=7

Final adverage=83

x-man3 years ago
0 0

thank you !!!!!!!!!!!!!!!!!

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Keith is racing his little sister Pattie and has given her a 15 foot head start. She runs 5ft/sec and he is chasing at 8ft/sec.
hodyreva [135]
Pattie runs at 5 ft/sec
She has got a head start of 15 feet.
So after 1 second, Pattie runs = (5+15) ft <span>                                                   
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After 2 second Pattie runs = (20+5)ft
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After 3 second Pattie runs = (25+5) ft
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After 4 seconds Pattie runs = (30+5) ft
                                             = 35 ft
After 5 seconds Pattie runs = (35+5) ft
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After 6 seconds Pattie runs  = (40+5) ft
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Now Keith runs at 8 ft/sec
After 1 second Keith runs = 8 ft
After 2 second Keith runs = (8+8) ft
                                           = 16 ft
After 3 second Keith runs = (16+8) ft
                                           = 24 ft
After 4 second Keith runs = (24+8) ft
                                          = 32 ft
After 5 second Keith runs = (32+8) ft
                                           = 40 ft
After 6 second Keith runs = (40+8) ft
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School starts at 7:30 and finishes in 46mins what the time
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3 years ago
Edward received a paycheck in the amount of $788. He is an appliance salesman and has a base salary of $200 a week. If he sells
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Answer: The total is  $13,133.33

Step-by-step explanation:

We know that Edward's paycheck was $788

He has a base salary of $200, so the commission is:

$788 - $200 = $588

Now, we know that if he sells  $10,000, his commission is a 4%.

So let's suppose that he sold exactly $10,000

Then his commission is the 4% of $10,000, this is:

Commission = (4%/100%)*$10,000 = $400

This is not enough, so he sold more than $10,000 in this week.

There is:

$588 - $400 = $188 left.

We know that if sells more than $10,000, he gets a commission of the 6% for the extra sales.

Then let's suppose that the extra is N.

The extra $188 must be equal to the 6% of N, then we get:

$188 = (6%/100%)*N

$188 = 0.06*N

$188/0.06 = N

$3,133.33

This means that he sold $3,133.33 more than $10,000

Then, in total, he sold $10,000 +  $3,133.33 =  $13,133.33

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