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2 years ago

12

Mrs. Johnson had three sheets of stickers. She gave 20 stickers from each sheet to students in her class and had 12 total sticke

rs left. Write and solve an equation to find out how many stickers were originally on each sheet.

2 answers:

Svetach [21]2 years ago

5 0

X-20 = 12 divide by 3

Serga [27]2 years ago

4 0

X-20+20=4+20 = 24X There you go :)

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A salesperson sold 20 cars last month. Seven of the cars sold were red. What percent of the cars sold were red?

amm1812

So you would just have to divide 20/7 to get the percentage of it.

The answer would be 2.85%.

4 0

3 years ago

15 feet 10 inches is how many inches in all

Lady bird [3.3K]

Answer:

190 inches

Step-by-step explanation:

(15x12)+10=190

6 0

2 years ago

Are these answers correct

professor190 [17]

No you have to move the decimal place over 2 times to the left

7 0

3 years ago

X=-4+y and -2x-5y=15

Scrat [10]

Answer:

x=-5, y=-1

Step-by-step explanation:

Substitute x=-4+y into -2x-5y=15. So we have

-2(-4+y)-5y=15

8-2y-5y=15

-7y=7

y=-1

And x is -4+y so x= -4+(-1)= -5.

7 0

2 years ago

This is a pic of my question..

KonstantinChe [14]

Answer:

The answer is c

Step-by-step explanation:

5x+3y=19

multiply x 2: 10x+6y=38

2x-4y=-8

multiply by -5: -10x+20y=40

now you can add the two equations:

10x+6y=38

-10x+20y=40

add equations 0x+26y=78

Y=3

8 0

2 years ago