Mary is planning to buy a mobile phone that costs $500. a salesperson at the store informs her about four different installment plans that she

can choose from.

plan a: a down payment of $50 and monthly payments of $40 for 12 months

plan b: a down payment of $100 and monthly payments of $80 for 6 months

plan c: no down payment and monthly payments of $60 for 12 months

plan d: no down payment and monthly payments of $100 for 6 months

The answer is A

Explanation:

The installment plan she will probably choose is a down payment of $50 and monthly payments of $40 for 12 months.

In the a real scenario, multiplying the installment amount of $40 with the total month of 12 then adding it answer with the down payment of $50 should arrive at the cost of $500 of the phone but it doesn't. However, the option A, has the figure closet to the initial cost of $500.

The cost by choosing the option A is $530 so it is assumed that the $30 extra is the interest attached to the elongated period of payment.

sorry i tried to but i didn’t get it

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