At the beginning of the year, Adrian's savings account balance was \$28$28dollar sign, 28. Each week, he deposits another \$15$15dollar sign, 15 into that account, and he doesn't spend any of his savings.
Is his savings account balance proportional to the number of weeks since the start of the year?
Answers
Given : At the beginning of the year, Adrian's savings account balance was $28 . Each week, he deposits another $15 into that account, and he doesn't spend any of his savings.
To Find : Is his savings account balance proportional to the number of weeks since the start of the year
Solution:
beginning of the year ( week 0) - amount is $ 28
then Each week added = $15
Week Saving account balance in $
0 28
1 28+15 = 43
2 43+15 = 58
3 58+15 = 73
savings account balance is not proportional to the number of weeks since the start of the year
graph of a proportional relationship must pass through (0, 0).
but it has ( 0 , 28)
Hence not proportional
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Answer:
the answer is no
Step-by-step explanation:
i got it right on khan