Mrs. durbin wrote 300 checks last year. her total charges for the account was $72. the bank charges $0.15 for writing one check and charged a fixed amount each month for the account. what was the monthly service charges

so 300/12 because there are 12 months in a year

300/12=25

so 25 checks are written each month.

25 x .15= $3.75

this is the fee for writing all the checks for that month.

72-3.75=68.25 and that's your service fee you just had to take off the fee for writing all the checks that month

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a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation:

x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1