Each group of 2 nickels and 1 quarter has a value of $0.35. Rachelle has $6.30/$0.35 = 18 such groups.
Rachelle has 18 quarters and 36 nickels.
B is true because 0-(-x) = 0 + x = x
Answer:
250 blocks
Scale factor:
Explanation:
1,250/5=250
Its 10^3 = 1000
10^3 = 10*10*10
Π=3.14
Let's start with two digits:
3.14 = 3 14/100
= 3 7/50
= 157/50
would be the approximation for that. Let's add a few more digits:
3.1415 = 3 1415/10000
= 3 283/2000
= 6283/2000
