7/12
12/7
1`2/7
7/12
a reciprocal you just flip the fraction
Answer:
$120.50
Step-by-step explanation:
50 - 75 = -25
135.50 - 25 = 120.50
Answer:

Step-by-step explanation:
Line d slope is 8/7, therefore the perpendicular is -7/8
Answer:
Step-by-step explanation:
Ok but where is the question
Answer:
The answer is 45.
Step-by-step explanation:
60% of a number is 54, find the original number
54 ÷ 60%
= 54 ÷ 60/100
= 54 * 100/60
= 90
50% of 90 is
90 * 50%
= 90 * 50/100
= 90 * 1/2
= 45