Answer:
$7.90 tip the total is $47.40
Step-by-step explanation:
Its 3/2.
Hope this helps.
b. 75
a(n) = a1 + d(n-1)
a(n) = 8.5 + 3.5(n - 1)
a(20) = 8.5 + 3.5(20 - 1)
a(20) = 8.5 + 3.5(19)
a(20) = 8.5 + 66.5
a(20) = 75
⅛
⁵⁄₁₄ x ⁷⁄₂₀
= ⁵ˣ⁷⁄₁₄ₓ₂₀
=³⁵⁄₂₈₀
=⅛
8.36 I think