2
If = X – 1= 4, then x =
x – ,
3

X=15/2

Step-by-step explanation:

hope it helps you

have a great day

a

Step-by-step explanation:

15/2×2/3=30/6=5

5-1=4

hope this helps

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.