Answer:
1/7
Step-by-step explanation:
Since we do not know the number let us use the alphabet A to represent the unknown number
A × 1/3= 1/21
A/3= 1/21
Cross multiply both sides
A×21= 3×1
21A= 3
Divide both sides by the coefficient of A which is 21
21A/21=3/21
A=1/7
Hence the unknown number is 1/7
Answer: 5x-7
Step-by-step explanation:
You find a unit rate by multiplying by 100<span />
Answer:
266.67
Step-by-step explanation:
120=.45(x)
x=266.67