Question

A student finds the slope of the line between (8,17) and (1,4) she writes 17-4 and 1-8, what mistake did she make

Answer 1

Answer:

Step-by-step explanation:

she should have written

17 - 4 / 8 - 1 = 13 / 7 which is the slope.

Answer 2

MrA sells a bicycle to MrB at a profit of 20% and MrB sells it to MrC at a profit of 25%. If MrC pays 1500rupees,what did MrA pay for it?