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Simora [160]
3 years ago
13

Helpppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
DedPeter [7]3 years ago
5 0

Answer:

For every 15 students scoring in the 60's there were 9 students scoring in the 70's.

Step-by-step explanation:

Your first step would be to rewrite the numbers into an easier to understand form like fractions, 45/3 and 27/3. Then you divide both numbers by 3, so you get comparable numbers. 45/3= 15, 27/3=9.

You might be interested in
If the crane operator works 30 years and the train engineer works 33 years, who makes the most lifetime income? How much more?
antiseptic1488 [7]

Answer:

The train eingineer.

Step-by-step explanation:

So, to find the lifetime income, we must multiply the annual income by the years of work.

So for the cran operator:

54,830*30

=

1,644,900

Now lets compare this to the train eingineer:

50,610*33

=

1,670,130

So looking at the two numbers:

<u>1,670,130(train eingineer)</u>>1,644,900(crane operator)

So the trian eignineer makes more than the crane operator.

Now lets find the amount.

To do this, lets subtract the larger value by the smaller value:

1,670,130-1,644,900

=

<u>25,230</u>

So the train eingineer made 25,230 more dollars than the crane operator.

Hope this helps!

3 0
3 years ago
There are 20 pieces of bread to divide among 20 people. A man eats 3 pieces, woman eats 2 pieces and a child eats half piece of
Aleonysh [2.5K]

Answer:

14 children, 5 women, 1 man

Step-by-step explanation:

14 children which gives us 7 loves. 1 man which gives us 3 loves. 5 women which gives us 10 loves.

People: 14 + 1 + 5 = 20

Loves: 7 + 3 + 10 = 20

4 0
3 years ago
5x+2y= -11 and 2x+2y=5 solve using elimination<br>​
kifflom [539]

Step-by-step explanation:

5x+2y=-11

2x+2y=5

so you find values that match or can multiply by something to match-2

5x+2y=-11

- 2x+2y=5

=3x+0y=-16

3x/3=-16/3

x=5 1/3

then substitute x in one of the equations to get y

8 0
3 years ago
Is this the right answer?
DIA [1.3K]
Let me work it out real quick i’am not sure yet
7 0
3 years ago
Whitch of these rational numbers is a repeating decimal select all that apply
ANTONII [103]
Can you add on. What rational numbers are you referring to?
4 0
3 years ago
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