Aline on a graph shows a proportional relationship between the amount of almonds, x, in grams and the total calories y. two points on the graph are located at (50, 287.5) and (70, 402.5) . what is the unit rate for the number of calories per grams and almonds ?
a. 1.64 calories per gram
b. 2.3 calories per gram
c. 5.75 calories per gram
d. 17.25 calories per gram
hurry.

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