R-7=7 add the seven from both sides, leaving the r alone, because this is what you are trying to find. Thus the answer is r=14.
Answer:
Mariah
Step-by-step explanation:
If you divide 8/10 you get .8 move the decimal 2 times to the left and you get 80%.
Then you divide 36/40 and get .9 move the decimal 2 times to the left and you get 90%
The answer to this question has to be 9
Answer:
answer 4.
Step-by-step explanation: