Little Billie breaks open his piggy bank and finds that he has 261 coins. There are 10 pennies, 1 nickel and the rest are all dimes and quarters. His net coinage is $39.40. How many dimes and quarters did he have?​

12 quarters, 4 dimes

I subtracted the amounts known, for example 10 pennies, and 1 nickle. Since I know that 4 quarters = 1 dollar, I was able to figure out that 12 quarters equals 39 dollars. The rest was simple. Each dime = 10 cents.

Explanation:

Cos Milky said it. Milky smart.

rectangle: 9 1/8 x 4 1/9 = 37 37/72in

parallelogram: b times h= 10.3 x 6.2 = 63.86

trapezoid: a+b/2 times h= 42.5

volume of prism: l times w times h= 36

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: