Aiden has a collection of 63 nickels and quarters in his piggy bank. if the total value of the coins is $10.75, how many nickels does he have? answer the question and show wok!

Aiden has 25 nickels and 38 quarters

Step-by-step explanation:

Let x be the number of nickels and y be the number of quarters in Aiden's piggy bank.

Aiden has a collection of 63 nickels and quarters, so

x nickels are worth cents, y quarters are worth cents. If the total value of the coins is $10.75, then

From the first equation:

Substitute it into the second equation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls