3 years ago

How do I get the ratio?

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

7 0

To find an equal ratio, you can either multiply or divide each term in the ratio by the same number (but not zero).

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2485 pounds of sand are being packed into bags that weigh 45 pounds each.

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Step-by-step explanation:

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2 years ago

Can somebody help me asap correct answer gets brainliest

Dima020 [189]

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2 years ago

Read 2 more answers

Look at the following problem and solution given by a student: Abel, Belle, and Cindy have $408 altogether. Belle has $7 more th

sesenic [268]

A+b+c=408
a=a
b=7+a
c=5+a
a+(7+a)+(5+a)=408
3a+12=408
3a=396
a=132

Abel has $132
Belle has $139
Cindy has $137

Prove:
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3 years ago

7x + 8y = 4<br> 3x + 2y = 6

inysia [295]

Answer:

x=4

y=-3

Step-by-step explanation:

use substitution method :

7x + 8y = 4 ... (1)

3x + 2y = 6 ... (2)

2) Create the third equation by using

equation (2)

3x + 2y = 6

3x = 6-2y

x = 6-2y/3 ..... (3)

3) Substitute (3) into (1)

7(6-2y)/3 + 8y = 4

4) Solve the equation

42 - 14y /3 + 8y = 4

42 -14y+24y = 12

10y = 12-42

y = -3

5) Find value of x

x = 6-2y/3

= 6 -2(-3)/3

= 12/3

= 4

3 0

3 years ago