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Over time, a patient needs to get allergy shots totaling 60 mL. If the first 20 shots are each 0.5 mL, the next 20 shots are each 1 mL and thereafter each shot is 2 mL, how many shots does the patient get altogether?

 Jan 18, 2019

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20 x 0.5 =10 mL
20 x 1     =20 mL
20 + 20   =40 shots
10 + 20   =30 mL
60 mL - 30 mL =30 mL left
30 mL / 2 mL = 15 shots
20 + 20 + 15 =55 shots - to get 60 mL

 Jan 18, 2019
 #1
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+1
Best Answer

20 x 0.5 =10 mL
20 x 1     =20 mL
20 + 20   =40 shots
10 + 20   =30 mL
60 mL - 30 mL =30 mL left
30 mL / 2 mL = 15 shots
20 + 20 + 15 =55 shots - to get 60 mL

Guest Jan 18, 2019

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