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➷ First identify and assign the variables:
q = number of quarters
d = number of dimes
This is what we know:
q + d = 22
A quarter is 25 cents and a dime is 10 cents
You can write this as:
0.25q + 0.1d = 3.40
Rearrange the first equation for d
d = 22 - q
Substitute this value into the other equation:
0.25q + 0.1(22 - q) = 3.40
Simplify:
0.25q + 2.2 - 0.1q = 3.40
0.15q + 2.2 = 3.4
Subtract 2.2 from both sides:
0.15q = 1.2
Divide both sides by 0.15:
q = 8
Substitute into the first equation:
8 + d = 22
d = 14
Therefore, there are 8 quarters and 14 dimes.
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Answer:
1/9 or .11111111111111111111111111111111111111...
Step-by-step explanation:
The power of two means that it will be 9, but the negative power means it will be the denominator and 1 will be the numerator (top number).
6^5 because there are 5 six's being multiplied
Put this into a scientific calculator
1/3 x pi x 18 squared x 16
