Answer:
b=9,a=12
Step-by-step explanation:
I solved by substitution:
b = 3/4a ---> plug this into the other equation
a + b = 21 is now a + 3/4a = 21
Reduce: 7/4a = 21
a = 12
Now solve for b:
b=3/4a is now b=3/4(12)
b=9
X is 995,000
d is 100,000 respectfully
it might be quantity btw I love your pfp
Answer:
A=72
Step-by-step explanation:
72-2/7 = 10
72-2=70
7X10=70
