One afternoon, kassim's sandwich shop sells 15 sandwiches in 45 minutes. if the shop continues to sell sandwiches at the same ra
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Answer:
r=
Step-by-step explanation:
You would want to isolate the r by itself by doing all the opposite operations.
First, you can divide the L to get
1-r =
Next, move the 1 to the other side to get
-r=
Then, we would not want to keep the negative so, move it to the other side to get
r=
(Note the 1 changed to a positive because we move the negative to the other side so, negative or negative 1 will be positive.