While doing a science experiment in the physics lab, Lucy took 5 measurements of the temperature and wrote the average of those as an answer. If the measurements of the temperature are -2, -4, -1, 2 and -1 then what is the final answer of her experiment?
In a collection of purple, red, and black marbles, there are 15% more purple marbles than red marbles, and there are 50% more black marbles than purple marbles. If C is the number of purple marbles, what is the total number of marbles?
Hannah rolls a cube in which the letters A, T, Q, R, H and P appear on faces 1, 2, 3, 4, 5, and 6, respectively. What is the fraction of symmetric letters (either horizontal or vertical) on the cube?
Mitchell purchased some sandwiches at ^@ $125 ^@ each and earned ^@ 40 \%^@ on each sandwich sold. How many sandwiches should he sell such that his total profit becomes ^@ $1000? ^@
Shea had some money. He spent ^@ \dfrac{ 1 } { 7 } ^@ of it on Friday and ^@ \dfrac{ 1 } { 3 } ^@ on Saturday. What part of money is still left with him?
Molly completed her homework in 13.27 minutes. Emily took thrice as long as Molly to complete her homework. William completed his homework 14 minutes after Emily. How many minutes did it take for William to complete his homework?