Answer:
r= 0.4
Step-by-step explanation:
10r+4=8
-4. -4
10r= 4
----- ------= 0.4. so.... (r=0.4)
10. 10.
Answer: r = 2/5
Step-by-step explanation:
Hi, to answer this question we have to solve the equation given for r:
10r + 4 = 8
Subtracting 4 from both sides
10r+4-4=8-4
10r = 4
Dividing each side by 10:
10r/10 =4/10
r = 2/5
In conclusion, the value of r is 2/5 (or 0.4 in decimals)
Feel free to ask for more if needed or if you did not understand something.
