Answer:
19.99 + 0.99x ; 21.97
Step-by-step explanation:
19.99 + 0.99x
19.99 + 0.99(2)
19.99 + 1.98
21.97
Answer:
Step-by-step explanation:
6-3x=12-6x
Only one solution of x=2
You divide 690 by 100 which is 6.9
Therefore, one 50cent coin is 6.9g
Y=4x-1 because it can be the only one
Answer:
F
Step-by-step explanation:
If you used the first one
(4÷4) (4÷4) = 1 which is correct.
input the values in the equations and check each one