On the summit of a mountain, rising 784 1/5 m. above sea level, is a tower of height 38 1/25 m. On the roof of this tower is a lightning rod with a height of 3 4/5 m. What is the height above sea of the very top of the lightning rod?

1 Answer
Dec 6, 2017

826 1/25m

Explanation:

Simply add all the heights:

784 1/5 + 38 1/25 + 3 4/5

First add the whole numbers without the fractions:

784+38+3 = 825

Add the fractions: 1/5 + 4/5 = 1
1 + 1/25 = 1 1/25

825+1 1/25 = 826 1/25m