Answer:
c expression and b is number
Step-by-step explanation:
Answer:
Step-by-step explanation:
I think it is 22
Answer:
<u>4</u>
Step-by-step explanation:
Answer:

Step-by-step explanation:
(times 6 on both sides)
(add 4 to both sides)
(divide R on both sides)
thus

7*3/10 = 2.1
1*3/4 = 0.75
2.1 + 0.75 = 2.85
hope this helps :)