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Blake needs a minimum of $145. He has saved $35 and plans to save $5.50 a week. About how many weeks will it take for Blake to save enough money? a) at least 20 weeks; b) at most 20 weeks; c) at least 33 weeks; d) at most 33 weeks

Respuesta :

Set up an equation. 

35 + 5.50x = 145

Now, x is the amount of weeks, so we need to solve for that. 

35 + 5.50x = 145
-35                -35

5.50x = 110 

5.50x/5.50 = 110/5.50 
x = 20

Answer: a) at least 20 weeks 

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