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Tresset [83]
3 years ago
8

Pls help and break down :) I’ll give u a thnx and brainlest when another person answers

Mathematics
1 answer:
Tom [10]3 years ago
4 0

Answer:

b=3in

Step-by-step explanation:

SO first of all, the formula for area is lxw (length x width)

And our question tells us that

l x w=24in^2

4 x w = 24 (question tells us that length is 4 inches as listed on side)

4 x (b+3) = 24 (b+3 is the total width of the postcard)

4b + 12 =24 (multiply by 4 inside the bracket)

4b=12 (subtract 12 from both sides)

b=3 (solve for b by dividing by 4)

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