Answer:
The answer is A. $1.35
Step-by-step explanation:
Two $10 bills are equal to $20.
Your change is $7.85
So if you subtract $7.85 from $20 you will come up with $12.15.
$12.15 is how much money you spend on mini burgers.
You can then divide how much money you spent with how many burgers you bought.
12.15 divided by 9 gives us 1.35. So each burger was $1.35.
Answer:
7
Step-by-step explanation:
the answer is $7 for a 4 mile ride
Answer:
12
Step-by-step explanation:
x = number of $1 bills
y = number of $5 bills
z = number of $10 bills
We know that:
x + y + z = 25 (total amount of bills)
x + 5y + 10z = 100 (total amount of money)
y = 4z (Given)
Substitute the third equation into the first one.
x + 4z + z = 25
x = 25 - 5z
Put this into the second equation.
(25 - 5z) + 5 (4z) + 10z = 100
Simplify and solve.
25 - 5z + 20z + 10z = 100
25z + 25 = 100
25z = 75
z = 3
Substitute this into y = 4z
y = 4 * 3
y = 12
So, there are 12 $5 bills.
Answer:
Tamara incorrectly factored the whole expression.
Step-by-step explanation:
Note that
•21x=3·7·x;
•56xy=2·2·2·7·x·y.
Mark in bold all common factors, then GCF(21x,56xy)=7·x=7x.
Thus,
21x+56xy=7x(3+8y).
Hence, Tamara correctly found the GCF of numbers 21 and 56, but incorrectly factored the whole expression.
Answer:
-18k^2+72kx+54x^2
Step-by-step explanation:
Sorry i don't have the step-by-step but that's the answer
