The bill for lunch at a restaurant was $24.50. mr. smith added a 20% tip. how much did he pay? 1) $19.60 2)$29.60 3)$29.40 4)$26.50

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

i think that you should ask google for the answer to that problem because if we don't know it google does