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Grace are in $7 dollars for each car she washes she always saves $20 of her weekly earnings this week she wants to have at least $67 in spending money how many cars machine wash enter and solve any quality to represent the situation into your value as a simplified mixed number if necessary

Answer :

Answer:

12 21/50 (12.42) cars

Step-by-step explanation:

20+67= 87

87÷7=12.42