Jess has to walk 2 7/10 miles to get to the library. 2 9/10 miles past Jess's house is a park. Nancy has to travel 1 3/10 miles to also get to the library. How much further does Jess have to walk than Nancy to get to the library?

Planet earth has a mass of 5.9726x10²⁴ kg.then: 5.9726x10²⁴ kg=100% of the total earth mass.if the water´s mass=5x10-4 % of the total mass, we can solve this problem by the rule of three.5.9726x10²⁴ %*10⁻⁴ %x=(5.9726x10²³ kg)(5*10⁻⁴  %) / 100 %=2.9863x10¹⁹ kganswer:   the mass of the planet´s water would be   2.9863 x 10¹⁹ kg.

The answer would be (8+7z)/5

Idon’t know i just need the coins

Should be -1/2x because it also doesn't cross the y axis