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allie needs at least 50 hours of community service for social studies class. she already has 20. how many more hours does she need? write an inequality to model this situation.
a)
x + 20 ≤ 50
b)
x + 20 ≥ 50
c)
x - 20 ≥ 50
d)
x + 50 ≥ 20

x+20⩾50

Step-by-step explanation:

in inequality, the word at least means that is equal or more than. so that means that Allie might equal or more than 50 hours in the model but if you're to solve it, Allie will need 30 or more hours. and since she already has 20, add the 20.