Grace earns $7 for each car she washes. She always saves $21 of her weekly earnings. This week, she
1 answer:
Answer: 13
Step-by-step explanation:
add 21 both sides
divide both sides by 7
So more than 13 cars
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Answer:
-7+y=-17
y = -10
−7−10
=−7+−10
=−17
Step-by-step explanation:
Answer:
5496
Step-by-step explanation:
I followed the instructions to form a number that matches the description.
We can model this situation as a system of linear equation, where n is the number of nickels and q is the number of quarters.
Solving the system of equations, there are 67 nickels and 19 quarters.