The answer is 705.666667. Rounded the answer is about 706. As a fraction it it 705 666667/1000000 (it cannot be simplified any further).
I hope this helps:)
Answer:
r = 15
Step-by-step explanation:
10(8r + 23) = 1430
Divide both sides by 10.
8r + 23 = 143
Subtract 23 from both sides.
8r = 120
Divide both sides by 8.
r = 15
309/17 equals about 18.176 but it’s a rounded answer/decimal.
Subtract to find the weight she gained since birth.
32 - 8 = 24
Divide to see how many years passed.
24 / 4 = 6
Therefore, Darrel's baby sister is 6 years old.
Best of Luck!