Martino paid for his $32.87 shoes with two $20 bills. he should receive in change.

7.13

Step-by-step explanation:

so you would add 20 and 20 and get 40 and subtract 32.87 from that and get 7.13

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see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2