B and a
barry=b
a=older bro

a is 3 more than 3b
a=3+3b
sum is 28
a+b=28
3+3b+b=28
3+4b=28
minus 3 both sides
4b=25
divide both sides by 4
b=6.25

a=3+3b
a=3+3(6.25)
a=3+18.75
a=21.75

barry=6.25 years
21.75 years=older bro

3 0

3 years ago

Read 2 more answers

Six and seven on this wkst!!!!!

Sholpan [36]

Answer:

6.) x=5/4

7.) x=-6

Also, since your worksheet in paratheses says it would help to graph number 7, I attached a graph for it. :)

Step-by-step explanation:

Just ask!

Hope this helps. :))

Sorry if I'm wrong.

~Happy Holidays!!~ o(*￣▽￣*)ブ

4 0

3 years ago

Help i need help please

solong [7]

Answer:

hope it is correct

Step-by-step explanation:

i think it is more than, can , cannot, and required

7 0

3 years ago