1. Lucinda wants to make $6.00 on every arrangement of flowers she sells. If it costs her $10.00 to prepare an arrangement, by what percentage will she mark up the price?
a. 60%
b. 70%
c. 59%
d. 167%

How do you find principle and simple interest

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.