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3 May, 12:56

Chitchat wireless charges $0.30 per minute plus a monthly base fee. In septembermaggieised 120 minutesand her bill was $51. Write and solve and equiationto fing the cost if maggie used165 minutesin october

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  1. 3 May, 14:32
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    a). T=B+0.3x

    b). Total wireless charges in October=$64.50

    Step-by-step explanation:

    a). The equation can be expressed as: T=B+0.3x

    Where;

    T=Total wireless charges

    B=Monthly Base fee

    x=number of minutes

    0.3=rate per minute

    Total wireless charges=Monthly Base fee + ($0.30 per minute)

    In September Maggie used;

    120 minutes, Total wireless charges=$51

    Monthly base fee=B

    After substitution this can be expressed as;

    51=B + (0.3*Number of minutes)

    51=B + (0.3*120)

    B+36=51

    B=51-36=15

    b). In October she used 165 minutes

    Using equation T=B+0.3x

    B=$15

    x=165 minutes

    T=15 + (0.3*165)

    T=15+49.5=64.50

    Total wireless charges in October=$64.50
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