r = 25+b
n = 3b
n+r+b=435
3b+25+b+b=435
5b+25=435
5b=210
b=42
r = 25+42 = 67
n = 3(42) = 126
Answer:
D
Step-by-step explanation:
it's part of the real number system
it's a rational number
it's an integer
The answer is 32, because when you divide by a fraction you have to multiply the number by it's reciprocal.
