Answer:
r = - 2.5

Step-by-step explanation:
21r - 7 - r + 5 = - 52
20r - 2 = - 52
20r - 2 + 2 = - 52 + 2
20r = - 50
20r ÷ 20 = - 50 ÷ 20
r = - 2.5
The answer would be A. Tammy's initial pay was $10
Hope this helps you out!
Have a wonderful day!
1st is 3 2nd is undefined 3rd is -3/2 4th is 1/4
Answer:
Jody walks at a faster rate because it would take Amir 30 minutes to walk a mile and Jody approximately 26.6 minutes to walk a mile.
1+1=2 good luck so have a good day