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Troyanec [42]
3 years ago
10

The original amount is 44 photos then he took 25 more photos in 6 days.What is the rate

Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

The rate at which amount of photo increase after 6 days is 7.75

Step-by-step explanation:

Given as :

The original amount of photo = 44

The final amount of photo = 44 + 25 = 69

Time period = 6 days

Let The rate = r

So, final value after n days = original value × ( 1+ \frac{Rate}{100})^{n}

Or, 69 = 44 × ( 1+ \frac{r}{100})^{6}

Or, \frac{69}{44} =  ( 1+ \frac{r}{100})^{6}

Or, 1.568 =  ( 1+ \frac{r}{100})^{6}

Or, ( 1.568)^{\frac{1}{6}} = ( 1+ \frac{r}{100})

Or, ( 1.0775 - 1 ) × 100 = r

Or, 0.0775 × 100 = r

∴   r = 7.75

Hence The rate at which amount of photo increase after 6 days is 7.75 Answer

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