Answer:
uh idek
Step-by-step explanation:
You gave $30.
[$30 * 0.20] (tip % amount) = $6.
You left $6 in tips.
IS IT THE EXACT EXPRESSION OR IS ANYTHING MISSING
30%=30/100=3/10
3/10 of all=pennies=24
divide by 3
1/10 of all=8
times 10
10/10 of all=80
80 coins she has

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