Write 23 as a decimal

0.23

Step-by-step explanation:

you just write that number over 100 and then if it fits put a decimal in front and a 0 so its 0.23

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.