Using every digit from 0−9 exactly once, make two five-digit numbers such that their sum is as large as possible. What is the sum?

97,531+86,420=183,951

Step-by-step explanation:

triangle and cube

step-by-step explanation:

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.