Andrea purchased a belt on sale for $14.35. the regular price was $19.95. she wanted to calculate the percent saved. in order to calculate the percent saved, andrea would first need to find the dollar amount saved. she would then divide the amount saved by the regular price. finally, andrea would have to multiply by 100 in order to get a percent.

3.4 pizzas

step-by-step explanation:

given is a scatter plot showing number of pizzas sold during weeks for different issues of coupon

y represents number of pizzas sold and x number of coupons issued

y is marked verticaly and x horizontally

the trend line is given as

y =3.4x+43

this says that even when no coupon is issued pizzas sold will be 43

and rate of change of pizza sold for 1 unit of coupon = slope = 3.4

i.e. when x increases by 1 unit y increases by 3.4 units

hence for each additional coupon issued 3.4 pizzas more will be sold