Grace earns $7 for each car she washes. she always saves $29 of her weekly earnings. this week, she wants to have at least $56 in spending money. how many cars must she wash? enter and solve an inequality to represent this situation. enter your value as a simplified mixed number, if necessary. the inequality is the solution to the inequality is n grace must wash at least cars, since n must be a whole number.

Step-by-step explanation:

Let n be the number of cars Grace washes this week

Total earnings would be ; (price * n) = $7n

Subtract the amount she will save to get the balance = 7n-29

a.)Since she wants to have at least $56 as the balance to spend, the inequality will be;

7n-29

b.) Solving the inequality to get the number of cars

7n-2956

Therefore Grace must wash at least 12 cars

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