He swapped the 6 and the 5 in the beginning of the number
If you would like to solve the following proportion 15 / 21 = 5 / x, you can do this as follows:
15 / 21 = 5 / x /*x
15 / 21 * x = 5 /*21
15 * x = 5 * 21 /15
x = 5 * 21 / 15
x = 7
The correct result would be C. 7.
Answer:
A
Step-by-step explanation:
when x = 0
Answer: dont know sorry
Step-by-step explanation: