5b

2a + 2b

3a

1a + 3b

2a + 2b

3a

1a + 3b

5b

2a + 2b

3a

1a + 3b

2a + 2b

3a

1a + 3b

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Saugus, MA

If you did not have answers you could set up an equation and make a table of values.

7x+4y=22 where x and y are the two basket sizes.

x=1 means 7(1)+4y=22, 4y=15, no

x=2 means 7(2)+4y=22, 4y=8, y=2, yes

x=3 means 7(3)+4y=22, 4y=1, no

if a=7 and b=4 the answer is 2a+2b

Olney, MD

a = 7

b = 4

Plug in a=7 and b=4 into each expression and compute the answer:

Which expression adds up to 22 sandwiches?

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