Jonathan has a jar filled with Nicholas dollars in quarters he has 57 coins in total and the value of those coins is $6.50 if he has 20 knuckles how many dollars in quarters does he have

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Jonathan has a jar filled with Nicholas dollars in quarters he has 57 coins in total and the value of those coins is $6.50 if he has 20 knuckles how many dollars in quarters does he have

Step-by-step explanation:

Number of Nickels = n

Number of Quarters = k

n + k = 57

5n + 25k = 650

If n = 20

k = 57 - n

k = 57 - 20

k = 37

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.