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3 years ago

Philip saves $8 each month. How many months will it take him to save at least $60?

Mathematics

2 answers:

mars1129 [50]3 years ago

8 0

7.5 months for him to save up to 60 ;)

Kay [80]3 years ago

4 0

7.5 months to save up to $60 because 7.5x8=60 but rounding up to the nearest whole it would be 8 months

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Ira Lisetskai [31]

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7/16

Step-by-step explanation:

Let the fraction be x/y

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3 years ago

A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the culture 6

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Answer:

The population of bacteria after 6 days is 2,313.06

Step-by-step explanation:

Given as :

The initial population of bacteria = i = 1,000 bacteria

The growth rate of bacteria per day = 15%

Let The population of bacteria after 6 days = f

The time period of growth = 6 days

<u>Now, According to question</u>

The population of bacteria after 6 days = initial population × $(1+\dfrac{\textrm rate}{100})^{\textrm time}$

Or, f = i × $(1+\dfrac{\textrm r}{100})^{\textrm t}$

Or, f = 1000 × $(1+\dfrac{\textrm 15}{100})^{\textrm 6}$

Or, f = 1000 × $(1.15)^{6}$

Or, f = 1000 × 2.31306

∴ f = 2,313.06

So,The population of bacteria after 6 days = f = 2,313.06

Hence,The population of bacteria after 6 days is 2,313.06 Answer

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