What is 1 1/3 and 1.3 closest to 0,1,2,3 and how

The sum of two numbers is 86, and their difference is 20. find the two numbers

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5