Question 1024534: . Salesi saves a total of $1 530 over 20 weeks. In the first week he saved $10. He increased his savings by the same amount each week. Find the amount that Salesi increased his savings by each week.
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! Salesi saves a total of $1 530 over 20 weeks.
In the first week he saved $10. He increased his savings by the same amount each week.
Find the amount that Salesi increased his savings by each week.
:
I could not come up with a formula for this, wrote a small basic program and it came up with this.
:
20 payments increased by $7.06 each payment to accumulate $1531.4
Payment number, payment amt, accumulated amt
1, 10, 0
2, 17.06, 17.06
3, 24.12, 41.18
4, 31.18, 72.36
5, 38.24, 110.6
6, 45.3, 155.9
7, 52.36, 208.26
8, 59.42, 267.68
9, 66.48, 334.16
10, 73.54, 407.7
11, 80.6, 488.3
12, 87.66, 575.96
13, 94.72, 670.68
14, 101.78, 772.46
15, 108.84, 881.3
16, 115.9, 997.2
17, 122.96, 1120.16
18, 130.02, 1250.18
19, 137.08, 1387.26
20, 144.14, 1531.4
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