3 years ago

12 is 25% of what number using a ratio table

1 answer:

5 0

% means 'parts out of 100' so
25%=25/100

is 12 is 25 parts out of 100 of a number
so 12=(25/100)x
25/100 simplifies to 1/4
or if 12=(1/4)x
we multiply both sides by 4 and get
48=1x

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adam put $100 in a savings account after 10 years he had $1649 in the account what rate of interest did he earn? use the formula

Nady [450]

Using the formula
ending amount is 1649=a
p=initial amount=100
t=10
r=r

so
1649=100e^{10r}
divide both sides by 100
16.49=e^{10r}
take ln of both sides
ln(16.49)=10r
divide both sides by 10
(ln(16.49))/10=r
use calculator
0.28027=r
about 28% interest

7 0

3 years ago

Read 2 more answers

A picture is mounted on a frame measuring 25 centimeters by

makvit [3.9K]

Answer:

I think it's 1,125 and 4485

Step-by-step explanation:

25x13x3

115x13x3

3 0

3 years ago