# math same question as before with new questions to

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The local fish market is having a sale on whole fish. the prices are as follows:

You can buy an albacore and a barracuda for\$21
You can buy a barracuda and a carp for \$24
You can buy a carp and a dogfish for \$32
You can buy a dogfish and an eel for \$37
You can buy an eel and flounder for \$31
You can buy a flounder and a gar for \$25
You can buy gar and an albacore for \$26

Determine the cost of each individual fish

i understand that
B=21-A
C=24-21+A
D=32-4-A
E=37-28+A
F=31-9-A
G=25-22+A
and A=26-3-?
my question is what variable goes where the ? is. i think its b but i'm not sure

• math same question as before with new questions to -

Many of your equations are wrong.
B = 21 - A
C = 24 -(21 -A) = 3 + A
D = 32 - (3 + A) = 29 - A
E = 37 - (29 - A) = 8 + A
F = 31 - (8 + A) = 23 - A
G = 25 - (23 - A) = 2 + A
G + A = 26

The last two equations can be solved for A, which is 12

• math same question as before with new questions to -

i still don't understand how you got 12, but thank you for your help!

• math same question as before with new questions to -

Combining the last two equations gives you
G + A = (2 + A) + A = 26
2A = 24
Do you see it now?

• math same question as before with new questions to -

oh! thanks i get it now

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