Answer:
Im Sure its A
Step-by-step explanation:
Step-by-step explanation:
Option C is the correct one.
I hope it is helpful.Give brainliest answer if u satisfied with my answer.
Answer:
The last one is the answer
Step-by-step explanation:
39+91=130
13(10)=130
130=130
Make a proportion:
5/15=1/x
Cross multiply:
15=5x
Divide both sides by 5
x=3
X = 4
36 + x = 10x
36 + x (-x) = 10x (-x)
36 = 9x
36/9 = 9x/9
x = 4
36 + (4) = 10(4)
40 = 40 (true)
hope this helps