Answer:

Step-by-step explanation:

Find the common denominator and multiply each side by that number


<u>For bolded part in explanation</u>: 4·3=12 3·3=9
3·4=12 1·4=4
It will take Kelley 9 hours because 540 miles (distance) divided by 60 mph (rate) will give you 9 hrs
Answer:
1/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
5 miles + 16 miles = 21 miles
each mile is 2.50
21 x 2.50 = 52.50
trip is 4.50
52.50 + 4.50 = 57
Answer:
4
Step-by-step explanation:
4 x 4 = 16
each section has 4 chances when combined
example
1 and 1
1 and 2
1 and 3
1 and 4
2 and 1 etc....