The representation of the amount saved and the number of months with one constant rate makes sense because the amount is increasing at the constant rate.
What is Constant Rate?
Constant rate refers to the amount of the rate which remains same and do not change after a certain period of time. It is, the ratio of the given input to that of the output remains the same for the specific period of time.
According to the given question, Jane has $100 from that amount she saves $35 as month allowance.
Amount saved after one month = $100+$35
= $135
Amount saved after two months = $100 + 2 * $35
= $100 +$70
= $170
Amount saved after three months = $100 + 3* $35
= $100+$105
= $205
In general, after x months, Jane has saved as follows-:
= $100 +x * $35
= ($100+ 35x)
Therefore, It can be concluded that it makes sense to make the relationship between the amount saved and the number of months.
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