n can be all the way upto 7 as 8 x4 = 32 which is higher than 30. The lowest possible diggit is 1.
n = 1, 2, 3, 4, 5, 6, 7
1 + 2 + 3 + 4 + 5 + 6 + 7 = 28
⭐ Answered by Foxzy0⭐
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Answer:
a (-5,-2)
b (-3,-5)
c (3,-5)
d (5,-7)
e (5,-2)
Step-by-step explanation:
1.28x.06=1.68+28=(29.68)
2.28x.2=5.6+28=(33.6)
they would take their total bill (28 bucks) times .2 to get 20%