Translate the sentence into an equation using n as the unknown number. Then solve the equation for n.

5 increased by half a number is 11.

a.

5 + 0.5n = 11

n = 12

c.

5 (0.5n) = 11

n = 4.4

b.

5n + 0.5 = 11

n = 2.1

d.

5n + 0.5 = 11

n = 12

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5{-3.4k-7} + {3k+21}

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