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Ymorist [56]
3 years ago
11

Dr. Potter provides vaccinations against polio and measles.Each polio vaccination consists of 444 doses, and each measles vaccin

ation consists of 222 doses. Last year, Dr. Potter gave a total of 606060 vaccinations that consisted of a total of 184184184 doses.How many polio vaccinations and how many measles vaccinations did Dr. Potter give last year?
Mathematics
2 answers:
disa [49]3 years ago
7 0
The correct answer for the question that is being presented above is this one: b) (32,28).
wariber [46]3 years ago
7 0

Answer:

There were 32 polio vaccinations and 28 measles vaccination.

Step-by-step explanation:

Let number of polio vaccination be = x

Let number of measles vaccination be = y

Each polio vaccination consists of 4 doses, and each measles vaccination consists of 2 doses. Last year, Dr. Potter gave a total of 60 vaccinations that consisted of a total of 184 doses.

So, the two equations that form are:

x+y=60 or x=60-y    .....(1)

And

4x+2y=184   .....(2)

Substituting value of x from (1) in (2)

4(60-y)+2y=184

=> 240-4y+2y=184

=> 240-2y=184

=> -2y=184-240

=> -2y=-56

Cancelling out negative sign

2y=56

y = 28

And x=60-28=32

x = 32

Therefore, there were 32 polio vaccinations and 28 measles vaccination.

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