X=2.3 rounded to 1 decimal place, y=9.35 rounded to 3 significant figures. Find: a) The upper bound of xy
b) The lower bound of x/y (x divided by y)

$15 each

step-by-step explanation:

$45/3 children= $15 each

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.

cause it equals more