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NISA [10]
3 years ago
8

Reggie has $36.40 in nickels and $36.40 in dimes. What is the ratio of the number of nickels to the number of dimes that Reggie

has?
A
1:1, because the dollar totals of both coins are the same

B
1:2, because a dime is worth twice as much as a nickel

C
1:5, because a dime is worth 5 cents more than a nickel

D
2:1, because a dime is worth twice as much as a nickel
Mathematics
1 answer:
Dmitry [639]3 years ago
6 0

D 2:1, because a dime is worth twice as much as a nickel

Because the question has number of nickels listed first in the ratio that makes the answer 2:1 as opposed to B 1:2. Also, two nickels equal the same amount as one dime so for every two nickels there is one dime. In this case, there are 728 nickels and 364 dimes. 728/364 = 2/1 (simplifies down to the fourth ratio given)

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Answer:

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Step-by-step explanation:

BE is 1/2 of BC

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BE = 1/2 BC                  Property of a midpoint.

BE = 10

Now just use Pythagorus

AB^2 + BE^2 = AE^2

AE^2 = 20^2 + 10^2   Perform the sqrs

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AE^2 = 500                Take the square root of both sides

√AE^2 = √500

AE = 22.36

AE ≈ 22.4

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