Answer:
$920
Step-by-step explanation:
The amounts added are the arithmetic sequence ...
1, 2, 3, ... 40
The average term of this sequence is (1 +40)/2 = 20.5. The sum of the terms of this sequence is the number of terms (40) multiplied by the average term (20.5). That product is ...
40·20.5 = 820
Chu-Li will have added $820 to her bank in 40 weeks, so the total there is ...
$100 +820 = $920 . . . amount Chu-Li will have 40 weeks from now
5/7 simplifies to 0.714. 7/11 simplifies to 0.636. Therefore, Tim ate about 1.1224 times more cake than Ket.
THE FIRST ONE AND THE LAST ONE
Answer:
<h3>i hope it's helpful for you</h3>
