Answer:
$41.7
Multiply 139 times .30.
if he left a 30% tip and his bill was 139 it would be 41.7
Step-by-step explanation:
20+4(20) 20+80 = 100
Hope this helps
if its wrong i´m sorry i got my answer from math.way
Answer: D is a function.
A function need to have exactly one output to each input.
A- v<7/12