What is the estimate for the sum of 34.719+51.626

2÷6+1/2 to the second power plus one

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?