Printing a newsletter costs $1.50 per copy plus $450 in printer's fees. the copies are sold for $3 each. how many copie of the newsletter must be sold to break even?

My favorite songstress gives away 25% of this side of her signature fragrance collection to her charity last month her sales were 1200 how much of her sales did she donate

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

What is r i 4.5+10r=-6.5 with work pls