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Serhud [2]
2 years ago
11

The classes at the middle school want to raise money.

Mathematics
1 answer:
Gnesinka [82]2 years ago
6 0

Answer:

This is a multiple step question. Before you can answer it you must find what it is asking, which is the highest rate for making money, or the greatest rate of change. To compare the rate of change between each grade, you must first have them in common units, which can be done by finding how much money was made by each grade in one hour. To find this, divide the number of dollars made by the number of hours it was made in to get how much was made in one hour. Doing this shows that the sixth grade made 34 dollars an hour (170 divided by 5), seventh made 28 dollars an hour (112/4), and the eighth grade made 32 dollars an hour (192/6). Then compare the numbers to see that the greatest amount earned in one hour was 34 dollars, by the sixth grade, which then becomes your answer: The sixth grade had the highest rate for raising money.

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Is this the right answer?
iren2701 [21]

Hello from MrBillDoesMath!

Answer:

Yes!


Discussion:

a + b= 2a                =>  subtract "a" from both sides

a - a + b = 2a - a    =>  as (a-a) = 0 and (2a-a) = a

b = a                      (*)

Then  from (*) above

      b-a = b - b       => b-b = 0

      b -a = 0



Thank you,

MrB

8 0
3 years ago
Ou have traveled 25 miles in 2 minutes and come to a standstill. What was your initial velocity?
Illusion [34]
If you traveled 25 miles in 2 minutes, your average speed was 25 miles per 2 minutes or 750 miles per hour. If your rate of deceleration was constant, your initial speed was two times 750 miles per hour or 1500 mph. 

<span>I do not have enough information to determine your initial velocity because I don't know what direction you were going, and velocity is speed with direction.</span>
4 0
2 years ago
Susan and barry each buy 4 equal sized bagels they divide the bagels equally among themselves and 3 other friends how many does
Ann [662]
4 bagels.....5 people
4/5 = 0.8...so basically, each person gets 0.8 (or 4/5) of a bagel
7 0
3 years ago
a company gives raises once-a-year amir's present salary of $16,000 his manager would like to raise amir's salary to 35,000. Wha
zloy xaker [14]

Subtract 16,000 from 35,000 to find the quantity increase.

35,000 - 16,000 = 19,000

Now divide 19,000 by 16,000 to find the percent increase.

19,000 ÷ 16,000 = ‭1.1875‬

Multiply this by 100 to change it from a decimal to a percentage.

‭1.1875‬ × 100 = 118.75

<h2>Answer:</h2>

<u>Amir received a </u><u>118.75%</u><u> raise.</u>

4 0
2 years ago
Which angle is the included angle for DE and FE ?<br> D<br> E<br> F
Tasya [4]
<span>angle for DE and FE is <E

answer
E</span>
4 0
3 years ago
Read 2 more answers
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