Plzz !

leighanne and martin each have a savings account with a sum of money in it.

leighanne and martin each begin to add a set amount of money each week.

the graph shows the total amount in leighanne's account each week.

the table shows the total amount in martin's account each week.

week amount ($)

1 65
3 145
5 225

which statements about the bank accounts are true?

select each correct answer.

leighanne had more money in her account than martin when they started their weekly savings.

martin saves $65 the first week.

leighanne saves $50 each week.

leighanne is saving at a faster rate than martin.

  Martin saves $65 the first week.

Leighanne saves $50 each week.

Leighanne is saving at a faster rate than Martin.

Step-by-step explanation:

Given: Leighanne and Martin each begin to add a set amount of money each week.

It means the relationship between number of weeks and saving amount is a linear relationship. the rate of change in linear relation is constant.

From the given table, the rate of change of saving amount per week is given by :-

Thus, Martin add $40 per week to his savings.

From table, in week 1 , the amount = $65

⇒Martin saves $65 the first week.

Now, the initial amount in the beginning=

From graph the initial amount in the beginning =$15

Clearly 15<25

therefore, Martin had more money in her account than Leighanne when they started their weekly savings.

The rate of change of Leighanne  saving is given by :-

⇒ Leighanne saves $50 each week.

Since, $40< $50

Thus, Leighanne is saving at a faster rate than Martin.

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