# algebra

Frances left a 21% tip on a meal, including the tip, its cost was \$54.45, what was the cost of the meal before tip.

1. x+0.21x=54.45 or 1.21x=54.45
x=54.45/1.21=45.
Check 45+(45*0.21)=45+9.45=54.45 ok.

posted by Anonymous
2. \$45.00

posted by Linda

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