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23-08-2018
Mathematics

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PLEASE HELP ME
malik wants to have atleast $30 in his bank account so he can purchase some songs when he starts saving he has $8 he is given $7 by his aunt and then earns another $10 mowing lawns at least how much more does he need write an in equality representing this situation.
solve the inequality and
interpret the solution .
is the solution reasonable?

Respuesta :

23-08-2018

Let's call x the amount he needs

Inequality: 8 + 7 + 10 + x ≥ 30

25 + x ≥ 30

Solution: x ≥ 5

Interpretation: Malik needs at least $5 to get to $30 or more

Seems reasonable.

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