4) Chloe was out at a restaurant for dinner when the bill came. Her dinner came to $28. She wanted to leave a 20% tip. How much was her meal plus the tip, before tax, in dollars and cents?

$33.60.

Step-by-step explanation:

You want to leave a 20% tip on a meal that cost $28.

First, convert the 20% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 20%) by 100%.So, the conversational term "20%" becomes 20% / 100% = 0.20 in terms of a real mathematical number.

Second, you need to find out what 20% of your $28 meal cost is.This is always done by multiplying 0.20 by $28.00, or

0.20 x $28.00=$5.60.

So, the amount of tip you are going to leave is $5.60.

This makes the total cost of your meal (to write on your charge slip or other payment)

$28.00 + $5.60 = $33.60.

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)