How do i get -14 using the numbers 2, 3, 5, and 4

Make all the number negative like this:

-2 - 3 - 5 - 4

-2 -3 = - 5

-5 - 5 = -10

-10 - 4 = -14

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.

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24