Elena donates some money to charity whenever she earns money as a babysitter. The table shows how much money, d, she donates for different amounts of money, m, that she earns.


d 4.44 1.80 3.12 3.60 2.16

m 37 15 26 30 18


1. What percent of her income does Elena donate to charity?

%


2. Which quantity, d or m, would be the better choice for the dependent variable in an equation describing the relationship between d and m?

3. Use your answers to write and equation that relates m and d


Answer :

4.44/37= 0.12

1.80/15= 0.12

3.12/26= 0.12

3.60/30= 0.12

2.16/18= 0.12

1. She donates 12% of her income to charity

2. The quantity, d, would be the better choice for the dependent variable (y) the cost of the donation, depends on her income, if her income increases, the amount donated would increase.

3. d = 0.12m

(my apologize if this is incorrect)