30 points and due in 3m!

evaluate the numerical expression.

3.8 − 4.8 ÷ 0.4 − 2.4
a) −10.6
b) −5.8
c) 0.5
d) 6.2

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax