Shelley is searching online for airline tickets. two weeks ago, the cost to fly from denver to boston was $200. now the cost is $290. what is the percent increase? what would be the percent increase if the airline charges an additional $50 baggage fee with the new ticket price

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

its 8

step-by-step explanation:

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