A. Just write an expression:

That's your answer.
B. Simplify the above expression to get:

So your answer would be, "He had $132.63 left in his account."
Answer:
first is 6/8 and second is 7/8
Step-by-step explanation:
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:
x=3
Step-by-step explanation: