8/x-7=7/2
16=7(x-7) cross multiply
16=7x-49
-7x=-49-16
-7x=-65 divides each side by -7
-7x/7=-65/7
X=65/7
Alternative form
X=92/7
Which is 1st options in your questions.
Hope this helps!
Answer:
96
Step-by-step explanation:
1/4x - 5 = 19
1/4x = 24
24 x 4 = 96
14 hours, you just need to multiply your average with the next 7 days and it will be 14 hours.
Answer:
k = 12
Step-by-step explanation:
The constant of proportionality k is the ratio
k = 
Use any ordered pair from the table to find k
Using number of laps = 240, number of swimmers = 20 , then
k =
= 12