))ari has a total of 22 coins consisting of pennies and nickels. the total value of the coins is $0.54. which equation can be used to find the number of pennies ari has? a) 0.01p + 0.05(0.54 – p) = 22 b) 0.01p + 0.05(22 – p) = 0.54 c) 0.01p + 1.1 = 0.54 d) p + 5(22 – p) = 0.54

Answer with Step-by-step explanation:

Let Ari has p pennies

Ari has a total of 22 coins consisting of pennies and nickels.

Number of pennies+Number of nickles=22

p+Number of nickles=22

So, number of nickles=22-p

1 nickle=$0.05

So, value of 22-p nickles=$0.05(22-p)

and 1 pennies =$0.01

So, value of p pennies=$ 0.01p

The total value of the coins is $0.54.

this means that

0.01p + 0.05(22-p)=0.54

Hence, the equation which can be used to find the number of pennies Ari has is:

B) 0.01p + 0.05(22 – p) = 0.54

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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