Need help asap Katherine was out at a restaurant for dinner when the bill came. Her dinner came to $22. After adding in a tip, before tax, she paid $28.38. Find the percent tip.

my name is katherine

Step-by-step explanation:

its also 29% ^^

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116

i would say true? if the unit was informational and it "refreshed your understanding", then true.