Answer
it would be $20 a year so it would be a 4% interest rate
Step-by-step explanation:

x/3+17is less than or equal to 15
x/3is less than or equal to 15-17
xis less than or equal to -6
12 inches = 1 foot
Let x=length of 2nd balance beam in feet
by ratio and proportion
1/12 = x/162
multiply noth sides by 162 to isolate x
(1/12)(162) = (x/162)(162)
162/12 = x
13.5 = x
Source -->https://socratic.org/questions/at-the-gym-one-balance-beam-is-15-feet-long-while-the-other-is-162-in...<--
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brainly.com/question/3131429
The present of 4 out of 30 is 13.33%
The present of 1 out of 30 is 3.33%
The present of 25 out of 30 is 83.33%
<u>Step-by-step explanation:</u>
- The percentage is calculated by dividing the required number with the full quantity and multiplied by 100.
First sum :

Second sum :

Third sum:
