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Answered

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a standard brick is 3 5/8 inches wide and 7 5/8 inches long. Colton wants to edge his 16-foot long sidewalk with brick on both sides. How many bricks does he need if he sets the bricks lengthwise along both sides? if he sets the bricks edgewise along both sides?

Sagot :

vhv1122
3(5/8)x=16 <-- edgewise
to make it easier, turn the mixed number into an improper fraction
(29/8)x=16
divide by (29/8) on both sides
x=128/29
x ≈ 4.4 bricks
7(5/8)x=16 <-- lengthwise
(61/8)x=16
x=128/61
x ≈ 2 Bricks


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