Answer:
What app are you using???? Wondering if you still need help?? If yes I will write the answer in the comments.
Collect the like terms
9x-5x=20
4x=20 divide both sided by 4
x=5
Answer:
4.05 is greater than 0.45
Answer:
n ÷ 5 < 4
Step-by-step explanation:
Quotient is to divide.
Let n be the unknown number.
Now you have the equation needed.
(a) d=days C=cost
d C
1 30
2 40
3 50
4 60
C=10(d-1)+30
(b) C=10(5-1)+30
C=40+30
C=70