Will fan + medal for help :)

Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models the relationship between a and b?

1. a = b + 4
a = b − 1

2. a = 4b
a = b + 1

3. b = a + 4
b = a − 1

4. b = 4a
b = a + 1

Question

Will fan + medal for help :)

Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models the relationship between a and b?

1. a = b + 4 
a = b − 1

2. a = 4b 
a = b + 1

3. b = a + 4 
b = a − 1

4. b = 4a 
b = a + 1

danjs · Answer

is --> =

danjs · Answer

a is 4 more than b

a = b + 4

anonymous · Answer

@DanJS So it's A? I thought it was A in the beginning, I just wanted a second opinion.

danjs · Answer

yeah , just write the equation following the worded sentence...

anonymous · Answer

@DanJS thanks for the help :)

danjs · Answer

a is 1 less then b

a = b - 1

danjs · Answer

no prob.. gl